WordNet sense 1 (the suffering of Jesus at the crucifixion):

Passion of Christ

WordNet sense 2 (something that is desired intensely):

rage

WordNet sense 3 (an irrational but irresistible motive for a belief or action):

mania, cacoethes

WordNet sense 4 (strong feeling or emotion):

passionateness

WordNet sense 5 (any object of warm affection or devotion):

love

WordNet sense 6 (the trait of being intensely emotional):

heat, warmth