S: (v) stretch (become longer by being stretched and pulled) "The fabric stretches"
S: (v) develop (grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment) "A flower developed on the branch"; "The country developed into a mighty superpower"; "The embryo develops into a fetus"; "This situation has developed over a long time"
S: (v) expand (become larger in size or volume or quantity) "his business expanded rapidly"
S: (v) boom, thrive, flourish, expand (grow vigorously) "The deer population in this town is thriving"; "business is booming"
S: (v) proliferate (grow rapidly) "Pizza parlors proliferate in this area"
S: (v) lengthen (become long or longer) "In Spring, the days lengthen"
S: (v) ramify, branch (grow and send out branches or branch-like structures) "these plants ramify early and get to be very large"
S: (v) burgeon (grow and flourish) "The burgeoning administration"; "The burgeoning population"
S: (v) root (take root and begin to grow) "this plant roots quickly"
S: (v) rise, prove (increase in volume) "the dough rose slowly in the warm room"
S: (v) thrive, prosper, fly high, flourish (make steady progress; be at the high point in one's career or reach a high point in historical significance or importance) "The new student is thriving"
Adjective
S: (adj) booming, flourishing, palmy, prospering, prosperous, roaring, thriving (very lively and profitable) "flourishing businesses"; "a palmy time for stockbrokers"; "a prosperous new business"; "doing a roaring trade"; "a thriving tourist center"; "did a thriving business in orchids"