Simple past tense and past participle of hearten.(verb)
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Use "heartened" in a sentence
"The president was described as heartened to hear that Karzai spent much of his inaugural address discussing corruption."
"Also, Gates is "heartened" in terms of Afghanistan, where the Bush administration already returned around 500 detainees from Guantanamo to Afghan government custody — which has put about 200 on trial, with a "conviction rate about 80 percent.""
"We were endangered to attend to which Matt Dupee has had to bear a heart catheterization procedure, nonetheless "heartened" to know which all has left well."