In a positive mood because of a comment or action which causes one to feel proud of oneself.(adjective)
Simple past tense and past participle of flatter.(verb)
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Use "flattered" in a sentence
"The phrase flattered the general, touched him, and pleased him mightily."
"President and his Ministers a civility by which those ladies would have been all the more flattered, that is to say which would have made them more inclined, in their satisfaction, to be grateful to the Vaugouberts, inasmuch as they would have supposed that civility to be spontaneous, and not dictated by them."
"He was convinced now that his host's kindness was in truth a mere graceful act of welcome, due largely to his father's standing, and the idea flattered him very much."