Synonyms for Conceivable:

• adj.

  •all (adjective)
  • imaginable.
  •believable (adjective)
  • credible,
  • supposable.
  •operable (adjective)
  • doable,
  • realizable.
  •possible (adjective)
  • imaginable,
  • possible,
  • potential,
  • feasible,
  • operable.
  •promising (adjective)
  • potential.
  •reasonable (adjective)
  • cogent,
  • deductive,
  • feasible,
  • inductive,
  • intelligent,
  • likely,
  • logical,
  • plausible,
  • rational,
  • reasonable,
  • sensible,
  • sound,
  • thinking,
  • wise,
  • thought-out.
  •reasonable, easy to understand (adjective)
  • believable,
  • convincing,
  • credible,
  • earthly,
  • imaginable,
  • likely,
  • mortal,
  • possible,
  • probable,
  • supposable,
  • thinkable.
  •tenable (adjective)
  • arguable.
  •thinkable (adjective)
  • cogitable.

• adv

  •possibly (adverb)
  • maybe.

• n.

  •
  • attainable,
  • doable,
  • may,
  • practicable,
  • viable.
  •
  • earthly,
  • mortal,
  • humanly possible.
  •conceivable (noun)
  • imaginable,
  • possible,
  • thinkable.
  •understandable (noun)
  • believable,
  • convincing.

• Other synonyms:

  •
  • mortal.
  •comprehensible
  • understandable.
  •imaginable
  • earthly.
  •perhaps
  • maybe.
  •Other relevant words:
  • acceptable,
  • accountable,
  • achievable,
  • acquirable,
  • admissible,
  • affirmable,
  • alleged,
  • apparent,
  • appreciable,
  • apprehensible,
  • apt,
  • arguable,
  • ascertainable,
  • attainable,
  • believable,
  • carnal,
  • casuistic,
  • cogitable,
  • cognizable,
  • compatible,
  • comprehensible,
  • conjectural,
  • contingent,
  • convincing,
  • credible,
  • creditable,
  • deceptive,
  • defendable,
  • defensible,
  • discernible,
  • discoverable,
  • distinguishable,
  • doable,
  • earthly,
  • earthy,
  • explicable,
  • fallacious,
  • fathomable,
  • fiduciary,
  • graspable,
  • imaginative,
  • intelligible,
  • justifiable,
  • knowable,
  • liable,
  • maintainable,
  • may,
  • maybe,
  • misleading,
  • mortal,
  • operable,
  • ostensible,
  • penetrable,
  • perceptible,
  • perchance,
  • perhaps,
  • possibly,
  • potentially,
  • practicable,
  • practical,
  • presentable,
  • presumable,
  • presumed,
  • presumptive,
  • probable,
  • purported,
  • realizable,
  • recognisable,
  • recognizable,
  • reliable,
  • seeming,
  • so-called,
  • sophistic,
  • specious,
  • superficial,
  • supportable,
  • supposable,
  • supposed,
  • tenable,
  • think,
  • thinkable,
  • tolerable,
  • trustworthy,
  • trusty,
  • understandable,
  • unexceptionable,
  • unimpeachable,
  • unquestionable,
  • verisimilar,
  • viable,
  • workable,
  • Imaginal,
  • In posse,
  • Mayhap,
  • Seizable,
  • Colorable,
  • prehensible,
  • not unlikely,
  • in the cards,
  • humanly possible.

Antonyms for Conceivable:

• adj.

  • reasonable, easy to understand
    improbable, incredible, unlikely, unreasonable, unthinkable.
  • Other antonyms:
    doubtful, dubious, improbable, incredible, questionable, unlikely, unreasonable, unthinkable.