smarten: Meaning and Definition of

smart•en

1. to make more trim or spruce; improve in appearance (usually fol. by up): Try to smarten up your outfit.
2. to make brisker, as a pace.
3. to sharpen the judgment or broaden the experience of; educate (usually fol. by up): Someone has to smarten him up about dealing with people.
4. to smarten up before dinner.
1. to groom oneself:to smarten up before dinner.
2. to become aware of one's mistakes, shortcomings, etc., and make efforts to correct them:If you don't smarten up, you're going to be out of a job.