a system of means and activities whereby a social institution functions; "the complex machinery of negotiation"; "the machinery of command labored and brought forth an order"
the official act of consigning a person to confinement (as in a prison or mental hospital)
the act of binding yourself (intellectually or emotionally) to a course of action; "his long commitment to public service"; "they felt no loyalty to a losing team"
an engagement by contract involving financial obligation; "his business commitments took him to London"