WordNet sense 1 (joyously unrestrained):

ebullient, high-spirited

WordNet sense 2 (displaying animation, vigor, or liveliness):

spirited

WordNet sense 3 (unrestrained, especially with regard to feelings):

excessive, extravagant, overweening

WordNet sense 4 (not subject to restraint):

unrestrained

WordNet sense 5 (produced or growing in extreme abundance):

lush, luxuriant, profuse, riotous

WordNet sense 6 (present in great quantity):

abundant