-atile, suffixforming adjs. (=mod.F. -atile), ad. L. -ātilis, consisting of the suffix -ilis(see -ile) ‘denoting possibility and quality,’ appended to ppl. stems in -āt- of verbs in -āre, as in volātus flying, volātilis used to fly, Eng.volatile: also with ns. as aquātilis, Eng.aquatile, fluviatile, umbratile, all of modern introduction, and nearly synonymous with those in -atic.
-atile/ətʌɪl/suffix.
ORIGIN: (French-atile from) Latin-atilis suffix combining -ilis-ile with verb or noun stems in -at-.
Forming adjectives and derived nouns expressing capability or quality, as aquatile, volatile, etc.