contaminated — made impure by the addition of a harmful or undesirable substance
graduated — of, relating to, or involved in academic study beyond the first or bachelor's degree: graduate courses in business; a graduate student.
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.
captivated — Simple past tense and past participle of captivate.
calculated — If something is calculated to have a particular effect, it is specially done or arranged in order to have that effect.
antiquated — If you describe something as antiquated, you are criticizing it because it is very old or old-fashioned.
animated — Someone who is animated or who is having an animated conversation is lively and is showing their feelings.
amputated — Simple past tense and past participle of amputate.
aggravated — Aggravated is used to describe a serious crime which involves violence.
advocated — to speak or write in favor of; support or urge by argument; recommend publicly: He advocated higher salaries for teachers.
Four-or-more syllable rhymes
evacuated — Having had population removed, by evacuation.
eradicated — (of a tree or plant) depicted with the roots exposed.
encapsulated — Simple past tense and past participle of encapsulate.
emancipated — Free from legal, social, or political restrictions; liberated.
dilapidated — reduced to or fallen into partial ruin or decay, as from age, wear, or neglect.
decaffeinated — Decaffeinated coffee has had most of the caffeine removed from it.
amalgamated — Combined from two or more entities into one specific entity whilst retaining the defining characteristics of the original source entities.
Two-syllable rhymes
gated — (of patterns in a foundry mold) linked by gates.
Three-syllable rhymes
navigate — to move on, over, or through (water, air, or land) in a ship or aircraft: to navigate a river.
belated — A belated action happens later than it should have done.