Synonyms of imaginable

2 Syllables
breezer, cincher
3 Syllables
potential, credible, possible, potentials, plausible, sensible, convincing, likeliest, prepatent, arguable, likelier, likely, thinkable
4 Syllables
believable, defendable, calculable, cogitable, conceivable, assertable, maintainable, inferable, believeable, supposable
5 Syllables
comprehensible, understandable, apprehensible, conjecturable