The term 'ATE HEARTILY' can be broken down into three crossword solutions: DOWNED (6 letters), DUGIN (5 letters), and PUTONTHEFEEDBAG (15 letters). DOWNED is a verb meaning to swallow or consume something quickly, usually a beverage. DUGIN is an adjective meaning to eat with great enthusiasm or gusto. Finally, PUTONTHEFEEDBAG is an idiom meaning to eat a large amount of food. All three words together describe the act of eating a lot of food with great enthusiasm.