To Preen

1. (of birds, transitive, intransitive) To groom; to trim or dress with the beak, as the feathers.
2. (of people, intransitive, reflexive) To spend time making oneself attractive and admiring one's appearance, e.g. in front of a mirror. Synonyms: primp, smarten up
3. (intransitive) To show off, posture, or smarm.
4. (transitive) To flatter.
5. (transitive) To comb; to make orderly.
6. (transitive) To trim up, as trees.
7. (transitive, more generally) To improve the appearance of; groom; prettify.