Vegetate rhymes with:
agitate, acetate, agitate, amputate, annotate, debilitate, decapitate, facilitate, hesitate, imitate, meditate, necessitate, premeditate, rehabilitate
Vegetate sounds like:
vacate, vacated, vaguest, vajda, vashti, vast, vasta, vaught, vest, vesta, vested, vexed, vicissitude, viscosity, visigoth, visit, visited, vist, vista, voest, voght, vogt, voiced, voight, voigt, vojta, vouched, vought, voyaged