The Collaborative International Dictionary of English v.0.48:
Mannerly \Man"ner*ly\, a. Showing good manners; civil; respectful; complaisant. [1913 Webster] What thou thinkest meet, and is most mannerly. --Shak. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Mannerly \Man"ner*ly\, adv. With good manners. --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
mannerly adj 1: socially correct in behavior [syn: mannerly, well- mannered]