Synonym word of upgrowth:

adding to, addition, adulthood, advance, advancement, advancing, augmentation, augmenting, boost, buildup, chrysalis, developing, elaborating, enlargement, evolution, evolvement, evolving, expansion, flowering, hike, improvement, increase, increasing, making progress, maturation, maturing, maturity, ongoing, ontogenesis, ontogeny, perfecting, progress, progression, reinforcement, reinforcing, ripening, spread, spreading, unfolding, unraveling, upgrowth, upping