The Collaborative International Dictionary of English v.0.48:
Exclamatory \Ex*clam"a*to*ry\, a. Containing, expressing, or using exclamation; as, an exclamatory phrase or speaker. --South. -- Ex*clam"a*to*ti*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
exclamatory adj 1: sudden and strong; "an emphatic no" [syn: emphatic, exclamatory]