Or search: adorn, depict, dilate, expand, enlarge, expound, exposit, decorate, ornament, embellish, expatiate
4 Syllables: SUUU
dissipated, imitated, integrated, irrigated, irritated, liberated, mitigated
5 Syllables: USUUU
anticipated, assimilated, capitulated, debilitated, deliberated, discriminated, eliminated, exhilarated, facilitated, invigorated, obliterated, originated, participated, reciprocated, rehabilitated, reiterated, sophisticated, unmitigated
6 Syllables: UUSUUU
recapitulated, unanticipated

Found 27 words across 3 groupings.