Sentence:  Must she be forc'd, t'<WSD>exclaime</WSD> th'iniurious wrong? / Offred by him, whom she hath lou'd so long? / Nay, I will tell, and I durst almost sweare, / "Edward" will blush, when he his fault shall heare. 
Meaning of the word marked with <WSD> tags:  To say suddenly and with strong emotion.