sedated — calm, quiet, or composed; undisturbed by passion or excitement: a sedate party; a sedate horse.
Four-or-more syllable rhymes
activated — to make active; cause to function or act.
aggravated — Aggravated is used to describe a serious crime which involves violence.
captivating — Someone or something that is captivating fascinates or attracts you.
complicated — If you say that something is complicated, you mean it has so many parts or aspects that it is difficult to understand or deal with.
fabricated — to make by art or skill and labor; construct: The finest craftspeople fabricated this clock.
fascinated — to attract and hold attentively by a unique power, personal charm, unusual nature, or some other special quality; enthrall: a vivacity that fascinated the audience.
innovative — tending to innovate, or introduce something new or different; characterized by innovation.
prefabricated — to fabricate or construct beforehand.
Four-or-more syllable rhymes
incapacitated — unable to act, respond, or the like (often used euphemistically when one is busy or otherwise occupied): He can't come to the phone now—he's incapacitated.