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";
make an investment; "Put money into bonds";
cause to be admitted; of persons to an institution; "After the second episode, she had to be committed"; "he was committed to prison";
confer a trust upon; "The messenger was entrusted with the general''s secret"; "I commit my soul to God";
perform an act, usually with a negative connotation; "perpetrate a crime"; "pull a bank robbery";