Mannerism

n.	1.	Adherence to a peculiar style or manner; a characteristic mode of action, bearing, behavior, or treatment of others.
	2.	Adherence to a peculiar style or manner carried to excess, especially in literature or art. Mannerism is pardonable,and is sometimes even agreeable, when the manner, though vicious, is natural . . . . But a mannerism which does not sit easy on the mannerist, which has been adopted on principle, and which can be sustained only by constant effort, is always offensive. - Macaulay.

Noun	1.	mannerism - a behavioral attribute that is distinctive and peculiar to an individual Synonyms: foible, idiosyncrasy
	2.	mannerism - a deliberate pretense or exaggerated display Synonyms: affectation, affectedness, pose

Gongorism, affectation, affectedness, airs, airs and graces, aroma, artfulness, artifice, artificiality, attribute, badge, brand, cachet, cast, character, characteristic, command of language, configuration, cut, differentia, differential, distinctive feature, earmark, euphemism, euphuism, exaggeration, expression of ideas, facade, false front, false show, fashion, feature, feeling for words, feigned belief, figure, flavor, form of speech, front, grace of expression, grandiloquence, gust, hallmark, hyperelegance, hypocrisy, idiocrasy, image, impress, impression, index, individualism, inflation, insincerity, keynote, lineaments, literary style, lugs, manner, manner of speaking, manneredness, mark, marking, mere show, minauderie, mode, mode of expression, mold, nature, oddness, odor, overelaboration, overelegance, overniceness, overrefinement, particularity, peculiar trait, personal style, preciosity, preciousness, pretense, pretension, pretentiousness, property, prunes and prisms, public image, purism, put-on, putting on airs, quality, queerness, rhetoric, savor, seal, sense of language, sham, shape, show, singularity, smack, specialty, stamp, strain, style, stylishness, stylistic analysis, stylistics, taint, tang, taste, the grand style, the plain style, the sublime, token, trademark, trait, trick, trick of behavior, unnaturalness, vein, way