1. (verb)perpetrate, commit, pull perform an act, usually with a negative connotation "perpetrate a crime"; "pull a bank robbery"
2. (verb)give, dedicate, consecrate, commit, devote 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"
3. (verb)commit, institutionalize, institutionalise, send, charge cause to be admitted; of persons to an institution "After the second episode, she had to be committed"; "he was committed to prison"
4. (verb)entrust, intrust, trust, confide, commit confer a trust upon "The messenger was entrusted with the general's secret"; "I commit my soul to God"
5. (verb)invest, put, commit, place make an investment "Put money into bonds"
6. (verb)commit, practice engage in or perform "practice safe sex"; "commit a random act of kindness"
Definitions of 'commit'
Webster 1913 Dictionary
1. (verb)commit to give in trust; to put into charge or keeping; to intrust; to consign; -- used with to, unto
2. (verb)commit to put in charge of a jailor; to imprison
3. (verb)commit to do; to perpetrate, as a crime, sin, or fault
4. (verb)commit to join for a contest; to match; -- followed by with
5. (verb)commit to pledge or bind; to compromise, expose, or endanger by some decisive act or preliminary step; -- often used reflexively; as, to commit one's self to a certain course
Definition of commit 
