"preen" in the verb sense
1. preen, plume
clean with one's bill
"The birds preened"
2. preen, congratulate
pride or congratulate (oneself) for an achievement
3. preen, primp, plume, dress
dress or groom with elaborate care
"She likes to dress when going to the opera"
Source: WordNet® (An amazing lexical database of English)
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