a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)
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"