(transitive) To cause to curve inwards.

(transitive, music) To change the tone or pitch of the voice when speaking or singing.

(transitive, grammar) To vary the form of a word to express tense, gender, number, mood, etc.

(transitive, grammar, of a word) To be varied in the form to express tense, gender, number, mood, etc.

(transitive) To influence in style.