to consign for preservation: to commit ideas to writing; to commit a poem to memory.
3.
to pledge (oneself) to a position on an issue or question; express (one's intention, feeling, etc.): Asked if he was a candidate, he refused to commit himself.
4.
to bind or obligate, as by pledge or assurance; pledge: to commit oneself to a promise; to be committed to a course of action.
5.
to entrust, especially for safekeeping; commend: to commit one's soul to God.
6.
to do; perform; perpetrate: to commit murder; to commit an error.
7.
to consign to custody: to commit a delinquent to a reformatory.
8.
to place in a mental institution or hospital by or as if by legal authority: He was committed on the certificate of two psychiatrists.
9.
to deliver for treatment, disposal, etc.; relegate: to commit a manuscript to the flames.
10.
to send into a battle: The commander has committed all his troops to the front lines.
11.
Parliamentary Procedure. to refer (a bill or the like) to a committee for consideration.
late 14c., from L. committere "to bring together," from com- "together" + mittere "to put, send" (see mission). Evolution into modern range of meanings is not entirely clear. Sense of "perpetrating" was ancient in Latin. The intransitive use (in place of commit oneself)
first recorded 1982, probably influenced by existentialism use (1948) of commitment to translate Sartre's engagement "to emotionally and morally engage."