noun
1.
the seat or center of secret thoughts and emotions
in his heart he knew he was seriously in the wrong
Synonyms: bosom, breast, soul
Idioms: bottom of the heart, cockles of the heart
2.
Synonyms: courage , cojones, dauntlessness, guts, mettle, ||moxie, pluck, resolution, spirit, spunk
3.
Synonyms: taste 4, gusto, palate, relish, zest
4.
Synonyms: center 2, focal point, focus, hub, nerve center, polestar, seat
5.
Synonyms: center 3, core, pith, quick, root