na. | 1. commit a crime [mistake] purposely [on purpose; knowingly; wilfully; deliberately]; break a law purposely; commit an offense knowingly; commit an error deliberately; intentionally; deliberately break [flout] the law; do sth. one knows is wrong; do sth. that one knows one should not do; knowingly and wilfully break the law; transgress wilfully; violate [offend] it knowingly; presumptuous crime; wilful offense |