1. to do or perform (something wrong or harmful)
2. to promise or pledge to do something
3. to put someone in a prison or mental hospital by official order

Examples

• The suspect commits crimes regularly.
• She commits to exercising every morning.
• The judge commits the defendant to prison.
• He commits two hours daily to studying.
• The company commits resources to research.
• She never commits the same mistake twice.
• The court commits him to a mental facility.