grows rapidly (verb) mushroom: sprout; grow quickly
Detalii: neither mushroom (possibly from 'moss'?) nor toadstool (a fanciful name) is a scientific designation
Sinonime: delight in, derive pleasure, enjoy,
indulge, luxuriate, relish, revel, rollick,
savor, take comfort, take pleasure, wallow, welter
Antonime: shrink, shrivel