Source : WordNet®

imprisonment
     n 1: putting someone in prison or in jail as lawful punishment
     2: the state of being imprisoned; "he was held in captivity
        until he died"; "the imprisonment of captured soldiers";
        "his ignominious incarceration in the local jail"; "he
        practiced the immurement of his enemies in the castle
        dungeon" [syn: {captivity}, {incarceration}, {immurement}]
     3: the act of confining someone in a prison (or as if in a
        prison) [syn: {internment}]