verb

• (transitive) To make beautiful; to increase the beauty of.
  "1592, Robert Greene, Greene's Groats-Worth of Wit, London: William Wright, “Robertoes Tale” […] there is an vpstart Crow, beautified with our feathers, that with his Tygers hart wrapt in a Players hyde, supposes he is as well able to bombast out a blanke verse as the best of you:"
• (intransitive, rare) To become beautiful.
  "[…] it must be a Prospect pleasing to God himself, to see his Creation for ever beautifying in his Eyes, and drawing nearer to him, by greater Degrees of Resemblance."
• (intransitive, rare) To make oneself beautiful.
  "She’d felt silly when she first put cucumbers on her eyes (to diminish puffiness), or oatmeal on her face (to cleanse the pores and absorb excess oils), or egg yolks in her hair (to make it shine). Her use of groceries had even made my mother laugh, then wonder if she should start to beautify."
• (programming) Synonym of pretty-print.