Synonyms of likely

1 Syllable
fit, true, piest, fair
2 Syllables
liable, subber, fitter, prone, subject, semblant, specious, odds-on, seeming, tending, fittest
3 Syllables
supposed, credible, casuistic, expected, imputed, rational, heartening, imminent, timely, destined, inclined, timelier, plausible, convincing, soon-to-be, hoped-for, looked-for, assuring, thinkable, disposed, contingent, possibly, feasible, potential, future, possible, apparent, prepatent, workable, foreseen, promising, potentials
4 Syllables
up-and-coming, concedable, suppositious, believable, assumptive, predictable, derivable, inferable, eligible, achievable, attainable, extractable, ostensive, hypothetic, believeable, presumable, supposable, acceptable, admissible, reasonable, prospective, inferential, estimated, practicable, ostensible, foreseeable, promiseful, potentially, cogitable, conceivable, predisposed, fast-approaching, favorite
5 Syllables
accomplishable, supposititious, suppositive, anticipated, conjecturable, imaginable, verisimilar, peradventure, suppositional
6 Syllables
handwriting-on-the-wall