suffix forming adjectives meaning. 1 that may or must be (eatable; forgiveable; payable). 2 that can be made the subject of (dutiable; objectionable). 3 that is relevant to or in accordance with (fashionable; seasonable). 4 (with active sense, in earlier word-formations) that may ( comfortable; suitable).
[ F -able or L -abilis forming verbal adjectives f. verbs of first conjugation ]