Synonyms for Spring on:

• v.

  •astonish (verb)
  • blow one's mind,
  • throw a curve.
  •flaunt (verb)
  • put on an act,
  • throw weight around,
  • show and tell.
  •jolt (verb)
  • spring something on.
  •make an exhibition, show off (verb)
  • flaunt.
  •startle (verb)
  • consternate.
  •surprise (verb)
  • grab,
  • catch off-guard,
  • nab,
  • burst in on,
  • bushwhack,
  • grasp,
  • dismay,
  • catch in the act,
  • take by surprise,
  • catch off-balance,
  • jolt,
  • catch red-handed,
  • leave aghast,
  • discomfit,
  • discover,
  • catch unawares,
  • take,
  • dazzle,
  • come down on,
  • petrify,
  • unsettle,
  • lie in wait,
  • rattle,
  • leave open-mouthed,
  • cause wonder,
  • lay for,
  • seize,
  • capture,
  • waylay,
  • take one's breath away,
  • drop in on,
  • confuse,
  • disconcert,
  • electrify,
  • perplex,
  • strike with awe,
  • strike dumb,
  • nonplus,
  • ambush.

• Other synonyms:

  •
  • pounce.
  •surprise
  • catches unawares,
  • lay in wait,
  • caught off balance,
  • caught in the act,
  • caught unawares,
  • lay wait,
  • catching unawares,
  • catch off guard,
  • lying in wait,
  • caught off guard,
  • caught red-handed,
  • drop on.
  •Other relevant words:
  • surprise.

Antonyms for Spring on:

• v.

  • astonish
    bore, calm, expect, clear up, explain.
  • flaunt
    cover, refrain, conceal, secrete, suppress, withhold, hide.
  • jolt
    comfort, hold, placate, order, soothe.
  • startle
    compose, reassure.
  • surprise
    free, lose, misunderstand, release, let go, enlighten, liberate, clarify, offer, give.