Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending
to curry favour; to butter up; to fawn over; to humour someone (humor); to put in a good mood (e.g. a baby)
転校生は先生の鉛筆を削って機嫌をとった。The new boy made up to his teacher by sharpening her pencils.
Also written 機嫌をとる【きげんをとる】