(n): the trait of being serious
(n): the act of binding yourself (intellectually or emotionally) to a course of action
(n): joint operation or action
(n): an engagement by contract involving financial obligation
(n): the act of sharing in the activities of a group
(n): a message that makes a pledge
(n): what a communication that is about something is about
(n): the official act of consigning a person to confinement (as in a prison or mental hospital)
(n): the act of restraining of a person's liberty by confining them
