Simple past tense and past participle of complement.(verb)
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Use "complemented" in a sentence
"Speaking of language, HuffPost LatinoVoices will be in English, complemented by and integrated with our Spanish-language AOL Latino."
"Trinity Mirror said the acquired titles complemented its existing portfolio and reinforced its commitment to regional media."
"Clinton staff seem to assume Obama can wipe out their debt with "a couple of e-mails" technology and other campaign successes only "complemented" Obama, "a better candidate than his campaign" internet advertising is one factor in plan for "the most muscular state campaigns ever assembled in battleground states""