Synonyms for Most likely:

• adj.

  •logical (adjective)
  • judicious,
  • perspicuous,
  • subtle,
  • analytical,
  • commonsensical,
  • consistent,
  • consequent,
  • analytic,
  • relevant,
  • wise,
  • lucid,
  • pertinent,
  • coherent,
  • compelling,
  • discerning,
  • perceptive,
  • sound,
  • intelligent,
  • fair,
  • convincing,
  • deducible,
  • clear,
  • necessary,
  • legitimate,
  • obvious,
  • congruent,
  • kosher*,
  • plausible,
  • rational,
  • telling,
  • legit,
  • germane,
  • cogent,
  • discriminating,
  • valid,
  • justifiable,
  • sensible,
  • inferential.
  •probable (adjective)
  • illusory,
  • presumable,
  • odds-on,
  • ostensible,
  • believable,
  • odds on,
  • reasonable,
  • apparent,
  • possible,
  • presumed,
  • mortal,
  • seeming,
  • in the cards,
  • earthly,
  • feasible.
  •ratiocinative (adjective)
  • legit*,
  • wise*.

• adv.

  •apparently (adverb)
  • possibly,
  • superficially,
  • outwardly,
  • as though,
  • reputably,
  • ostensibly,
  • supposedly,
  • reasonably,
  • most likely,
  • allegedly,
  • as if.
  •likely (adverb)
  • prima facie,
  • no doubt,
  • seemingly.
  •ostensively (adverb)
  • evidently,
  • externally.
  •presumably (adverb)
  • hypothetically,
  • credible,
  • unquestionably,
  • surely,
  • theoretically.
  •probably (adverb)
  • imaginably,
  • practicably,
  • believably,
  • maybe,
  • one can assume,
  • feasibly,
  • expediently,
  • perhaps,
  • dollars to doughnuts,
  • as likely as not,
  • as the case may be,
  • perchance.

• n.

  •no doubt (noun)
  • doubt.

• Other synonyms:

  •Other relevant words:
  • likely,
  • very likely,
  • ratiocinative,
  • almost certainly,
  • like enough,
  • well,
  • easily,
  • indubitably.

Antonyms for Most likely:

• adj.

  • logical
    improbable, irrational, unreasonable, illogical.

• adv.

  • apparently
    questionably, equivocally, dubiously, unlikely, uncertain, improbably.
  • presumably
    doubtfully.