WordNet sense 1 (marked by high spirits or excitement):

effervescent, scintillating, bubbling

WordNet sense 2 (full of life and energy):

lively

WordNet sense 3 (having brief brilliant points or flashes of light):

glittering, glittery, aglitter, coruscant, fulgid, glinting, glistering, scintillant

WordNet sense 4 (emitting or reflecting light readily or in large amounts):

bright