Conceivable

(a.) Capable of being conceived, imagined, or understood.

Thesaurus Entries

apparent, appreciable, apprehensible, ascertainable, believable, cogitable, cognizable, colorable, comprehensible, conceivably possible, contingent, credible, discernible, discoverable, distinguishable, earthly, fanciable, fiduciary, graspable, humanly possible, imaginable, knowable, likely, mortal, perceptible, plausible, possible, potential, prehensible, probable, reasonable, recognizable, reliable, seizable, supposable, tenable, thinkable, trustworthy, trusty, understandable, unexceptionable, unimpeachable, unquestionable, worthy of faith