QUOTE
apprehend, bastille, book, bottle up, box up, cage, check, circumscribe, closet, commit, constrain, cool, coop up, curb, detain, fence in, hold, hold captive, hold hostage, ice, immure, impound, incarcerate, intern, jail, jug, keep, keep captive, limit, lock in, lock up, nab, occlude, pen, pinch, pound, put away, rail in, remand, restrain, send down, send up, shut in, stockade, take prisoner, trammel
they are just shotgunning a bunch of similar words, almsot none of which are true synonyms, some of them are just slang