Hearty enjoyment is a feeling of great pleasure and enthusiasm. The two crossword solutions for this term are ZEST, which has 4 letters, and GUSTO, which has 5 letters. ZEST is defined as an intense enjoyment or enthusiasm, while GUSTO is defined as vigor and enthusiasm in the pursuit of an activity. Both words can be used to describe hearty enjoyment, as they both imply a great deal of enthusiasm and pleasure.