Commit  v. (-tt-) 1 do or make (a crime, blunder, etc.). 2 (usu. Foll. By to) entrust or consign for safe keeping or treatment. 3 send (a person) to prison. 4 pledge or bind (esp. Oneself) to a certain course or policy. 5 (as committed adj.) (often foll. By to) a dedicated. B obliged.  commit to memory memorize. Commit to paper write down. [latin committo -miss-]