Here's what rhymes with sumptuously.
presumptuously Words that almost rhyme with sumptuously
company suddenly subtly hungrily huskily sulkily uppity accompany subtlety clumsily luckily lustily slovenly wondrously frontally tumultuously custody husbandry uncomfortably drunkenly pungency puppetry abundantly triumphantly musketry gluttony unluckily incumbency perfunctorily exultantly reluctantly redundancy consultancy compulsorily indulgently ineluctably microscopy