to give expression to emotion esp. in acting

Pronunciation:
ee-MOHT 

In a sentence:
As Katherine emoted on stage, her boyfriend was at the bar talking to an understudy and pretending he was a highly successful agent named Mitch Arrington, Jr.—which is exactly how he’d met Katherine, who still called him Mitchy Baby. 

In a different sentence:
Gary tried to explain the power of emoting to his beginning students; but he soon found out that they’d only signed up for the class to meet him—he who was the former star of the hit 70s hit sitcom Three Babies, Three Women, One Man.