WordNet sense 1 (generous and understanding and tolerant):

big, large, magnanimous

WordNet sense 2 (not greedy):

unselfish

WordNet sense 3 (very generous):

lavish, munificent, prodigal

WordNet sense 4 (given or giving freely):

bounteous, bountiful, handsome, liberal

WordNet sense 5 (generous in providing aid to others):

benevolent

WordNet sense 6 (more than enough in size or scope or capacity):

ample