Synonyms for Self-possessed:

• adj.

  •assured (adjective)
  • over confident,
  • most poised,
  • selfassured,
  • more poised,
  • more positive,
  • self assured,
  • puffed up,
  • selfconfident,
  • un-hesitating,
  • self possessed,
  • self confident,
  • most certain,
  • selfpossessed,
  • un hesitating,
  • positive,
  • up beat.
  •calm (adjective)
  • level-headed,
  • unexcited,
  • laid back,
  • unimpressed,
  • cool as cucumber,
  • unruffled,
  • poised,
  • most pleased,
  • tranquil,
  • impassive,
  • reserved,
  • sedate,
  • unexcitable,
  • easy.
  •collected (adjective)
  • Quieter,
  • unperturbable,
  • peaceful,
  • quietest.
  •complacent (adjective)
  • most easy going,
  • most easy-going,
  • more easy-going,
  • more easy going,
  • more selfcontented,
  • most selfcontented,
  • selfsatisfied,
  • most self pleased,
  • selfpleased,
  • most self contented,
  • selfrighteous,
  • self satisfied,
  • self righteous,
  • most selfpleased,
  • more self pleased,
  • most self-pleased,
  • self pleased,
  • more self-contented,
  • more selfpleased,
  • more self contented,
  • selfcontented,
  • more self-pleased,
  • self contented,
  • most self-contented.
  •composed (adjective)
  • at ease,
  • not turn a hair,
  • keeping one's shirt on,
  • keeping a stiff upper lip,
  • have one's act together,
  • sure of oneself,
  • Soothed,
  • Disimpassioned.
  •cool (adjective)
  • coolheaded,
  • unagitated.
  •easygoing (adjective)
  • more hangloose,
  • devil may care,
  • more hang loose,
  • insouciant,
  • out giving,
  • more lowpressure,
  • un-critical,
  • in formal,
  • happy go lucky,
  • un inhibited,
  • more undemanding,
  • most undemanding,
  • more hang-loose,
  • most low-pressure,
  • most hang loose,
  • un hurried,
  • more low-pressure,
  • most low pressure,
  • in-formal,
  • indolent,
  • out-giving,
  • most lowpressure,
  • un-inhibited,
  • more outgiving,
  • un-demanding,
  • un demanding,
  • more low pressure,
  • most hangloose,
  • most outgiving,
  • most hang-loose,
  • lowpressure,
  • free easy,
  • hangloose,
  • eventempered,
  • even tempered,
  • un critical,
  • un-hurried.
  •imperturbable (adjective)
  • most equanimous,
  • un touched,
  • un affected,
  • more equanimous,
  • thickskinned,
  • un-touched,
  • immovable,
  • thick skinned.
  •level-headed (adjective)
  • level headed.
  •levelheaded (adjective)
  • all there,
  • levelheaded,
  • far-sighted,
  • with all marbles,
  • in right mind,
  • in one's right mind.
  •patient (adjective)
  • un complaining,
  • most mild-tempered,
  • re-signed,
  • longsuffering,
  • un tiring,
  • mildtempered,
  • more mild-tempered,
  • sub missive,
  • more mildtempered,
  • under-standing,
  • under standing,
  • long suffering,
  • un-tiring,
  • more forgiving,
  • most mildtempered,
  • most mild tempered,
  • un-complaining,
  • more mild tempered,
  • mild tempered,
  • re signed,
  • more uncomplaining,
  • most uncomplaining.
  •relaxed (adjective)
  • un-ceremonious,
  • un-restrained.
  •sane (adjective)
  • oriented,
  • playing with full deck,
  • having all marbles,
  • both oars in water,
  • of sound mind.
  •serene (adjective)
  • re sting,
  • re-sting.
  •sober (adjective)
  • Clear-headed,
  • abstinent,
  • cold sober,
  • nonindulgent,
  • took the pledge,
  • not drunk.
  •steady (adjective)
  • most seriousminded,
  • re served,
  • in-tenser,
  • un-swerving,
  • re-liable,
  • re-liabler,
  • in tense,
  • liege,
  • re liabler,
  • re liablest,
  • in tenser,
  • re solute,
  • most serious minded,
  • more serious-minded,
  • un-wavering,
  • seriousminded,
  • in-tensest,
  • re-liablest,
  • serious minded,
  • re-served,
  • un swerving,
  • more serious minded,
  • in-tense,
  • single minded,
  • more seriousminded,
  • un wavering,
  • most serious-minded,
  • re-solute.
  •unflappable (adjective)
  • un flappable,
  • un-flappable.

• n.

  •
  • bold,
  • proud.
  •
  • belief,
  • secure,
  • attitude,
  • confident.
  •self-collected (noun)
  • self-collected.
  •self-contained (noun)
  • self-contained.

• Other synonyms:

  •
  • unhesitating,
  • sanguine,
  • Sure-footed,
  • smoothly,
  • unselfconscious,
  • presidential,
  • decisive,
  • raffish,
  • imperious,
  • careful,
  • dignified,
  • forceful,
  • rakish,
  • assertive.
  •
  • self-assured,
  • glib,
  • honored,
  • polished,
  • Grounded,
  • self-confident.
  •
  • olympian.
  •
  • forward.
  •Other relevant words:
  • phlegmatic,
  • even-tempered,
  • strong-willed,
  • acquiescent,
  • phlegmatical,
  • submissive,
  • courageous,
  • not excessive,
  • moderate,
  • strong-minded,
  • Equilibrious,
  • compliant,
  • Recollected,
  • apathetic,
  • steady,
  • together,
  • possessed,
  • reposeful,
  • solemn,
  • emotionless,
  • pushy,
  • quiet,
  • aloof,
  • grave,
  • long-suffering,
  • self-assertive,
  • Cool-headed,
  • unaggressive,
  • serious,
  • under control,
  • cocksure,
  • sensible,
  • self-reliant,
  • dispassionate,
  • stable,
  • sure,
  • reliant,
  • equable,
  • unemotional,
  • Sober-minded,
  • detached,
  • independent,
  • philosophical,
  • well-balanced,
  • undisturbed,
  • reasonable,
  • Easeful,
  • still,
  • smooth,
  • self-controlled,
  • nonchalant,
  • stoic,
  • resigned,
  • unimpassioned,
  • self-expressive,
  • unperturbed,
  • untroubled,
  • temperate,
  • staid,
  • regular,
  • unmoved,
  • even,
  • frigid,
  • restrained,
  • refined,
  • passive,
  • cocky,
  • halcyon,
  • in control,
  • disciplined,
  • forbearing,
  • controlled,
  • stolid,
  • dauntless,
  • mild,
  • fearless,
  • Self-restrained,
  • self-asserting,
  • indifferent,
  • balanced,
  • rational,
  • importunate,
  • resolute.

Antonyms for Self-possessed:

• adj.

  • calm
    nervous, unsure.
  • Other antonyms:
    heated, passionate, violent, flustered, frantic, frenzied, worried, excited, fierce, restless, skittish, tense, turbulent, wild, raging, boisterous, perturbed, stormy, bothered, ruffled, wrathful, high-strung, furious.