WordNet sense 1 (United States labor leader who was president of the American Federation of Labor from 1924 to 1952 and who led the struggle with the Congress of Industrial Organizations (1873-1952)):

William Green

WordNet sense 2 (a river that rises in western Wyoming and flows southward through Utah to become a tributary of the Colorado River):

Green River

WordNet sense 3 (an area of closely cropped grass surrounding the hole on a golf course):

putting green

WordNet sense 4 (any of various leafy plants or their leaves and stems eaten as vegetables):

greens, leafy vegetable

WordNet sense 5 (a piece of open land for recreational use in an urban area):

common, commons, park

WordNet sense 6 (green color or pigment; resembling the color of growing grass):

greenness, viridity

WordNet sense 7 (street names for ketamine):

jet, k, cat valium, honey oil, special K, super acid, super C

WordNet sense 8 (affected by an impairment of normal physical or mental function):

ill

WordNet sense 9 (naive and easily deceived or tricked):

gullible, fleeceable

WordNet sense 10 (marked by or showing unaffected simplicity and lack of guile or worldly experience):

naif, naive

WordNet sense 11 (not fully developed or mature; not ripe):

immature, unripe, unripened

WordNet sense 12 (being or having or characterized by hue):

chromatic

WordNet sense 13 (of the color between blue and yellow in the color spectrum; similar to the color of fresh grass):

greenish, dark-green, light-green