[-ment] n suffix [ME, fr. OF, fr. L -mentum; akin to L -men, suffix denoting concrete result, Gk -mat-, -ma] 1 a: concrete result, object, or agent of a (specified) action "embankment" "entanglement" b: concrete means or instrument of a (specified) action "entertainment"
2. a: action: process "encirclement" "development" b: place of a (specified) action "encampment"
3: state or condition resulting from (a specified action) "involvement"