v. phr. 1. Become conscious again; wake up. The boxer was knocked out and did not come to his senses for several minutes. The doctors gave Tom an anesthetic before his operation; then the doctor took out Tom's appendix before he came to his senses.
Compare: COME TO 1 . 2. To think clearly; behave as usual or as you should; act sensibly. A boy threw a snowball at me and before I could come to my senses he ran away. Don't act so foolishly. Come to your senses!
Antonym: OUT OF ONE'S HEAD.