[-able] also -ible adj suffix [ME, fr. OF, fr. L -abilis, -ibilis, fr. -a-, -i-, verb stem vowels + -bilis capable or worthy of] 1: capable of, fit for, or worthy of (being so acted upon or toward)--chiefly in adjectives derived from verbs "breakable" "collectible"
2: tending, given, or liable to "agreeable" "perishable" -- -ably also -ibly adv suffix