WordNet sense 1 (characterized by intense emotion):

burning, fervent, fervid, fiery, impassioned, perfervid, torrid

WordNet sense 2 (having or expressing strong emotions):

passionate

WordNet sense 3 (characterized by strong enthusiasm):

warm

WordNet sense 4 (having or showing great excitement and interest):

enthusiastic

WordNet sense 5 (emitting or reflecting light readily or in large amounts):

bright