n. 25B6; verb Carolyn chewed a mouthful of toast : MASTICATE, munch, champ, crunch, nibble, gnaw, eat, consume; formal manducate.
25A0; chew something over MEDITATE ON, ruminate on, think about/over/through, mull over, consider, weigh up, ponder on, deliberate on, reflect on, muse on, dwell on, give thought to, turn over in one's mind; brood over, puzzle over, rack one's brains about; N. Amer. think on; informal kick around/about, bat around/about; formal cogitate about; archaic pore on.
25A0; chew the fat/rag (informal) . See chat verb .