From WordNet (r) 3.0 (2006):
commit
v 1: perform an act, usually with a negative connotation;
"perpetrate a crime"; "pull a bank robbery" [syn:
perpetrate, commit, pull]
2: give entirely to a specific person, activity, or cause; "She
committed herself to the work of God"; "give one's talents to
a good cause"; "consecrate your life to the church" [syn:
give, dedicate, consecrate, commit, devote]
3: cause to be admitted; of persons to an institution; "After
the second episode, she had to be committed"; "he was
committed to prison" [syn: commit, institutionalize,
institutionalise, send, charge]
4: confer a trust upon; "The messenger was entrusted with the
general's secret"; "I commit my soul to God" [syn: entrust,
intrust, trust, confide, commit]
5: make an investment; "Put money into bonds" [syn: invest,
put, commit, place] [ant: disinvest, divest]
6: engage in or perform; "practice safe sex"; "commit a random
act of kindness" [syn: commit, practice]