1560s, "act of vegetating," from Middle French végétation and directly from Medieval Latin vegetationem (nominative vegetatio) "a quickening, action of growing," from vegetare "grow, quicken" (see vegetable). Meaning "plant life" first recorded 1727.
Pleistocene vegetation
their holiday was spent in sleep and vegetation
vegetable
vegetal
vegetarian
vegetarianism
vegetate
vegetation
vegetative
veggie
vehemence
vehement
vehicle