commit

Concise Oxford English Dictionary © 2008 Oxford University Press:
commit/kəˈmɪt/

▶verb (commits, committing, committed)

• 1 perpetrate or carry out (a mistake, crime, or immoral act).

• 2 pledge or bind to a course, policy, or use.

  ■ (often as adj. committed) dedicate to a cause: a committed Christian.

  ■ (be committed to) be in a long-term emotional relationship with.

• 3 transfer for safe keeping or permanent preservation.

  ■ send to prison or psychiatric hospital, or for trial in a higher court.

• 4 refer (a parliamentary or legislative bill) to a committee.

– derivatives
committable adjective,
committer noun.

– origin ME: from L. committere ‘join, entrust’ (in med. L. ‘put into custody’), from com- ‘with’ + mittere ‘put or send’.