Nicety n. : The quality or state of being nice (in any of the senses of that word.).

Nicety n. : Delicacy or exactness of perception; minuteness of observation or of discrimination; precision.

Nicety n. : A delicate expression, act, mode of treatment, distinction, or the like; a minute distinction.

Example:
Why should I use the Nicety's of life on people?

Taxonomy
nicety, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, delicate, Webster Online Dictionary with audio pronunciations, Middle English, thesaurus, glossary, language, ESL, Search, ty, Inflected, ties, Etymology, Anglo-French.

Defination from the web:
nicety from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 2 : an elegant, delicate, or civilized feature <enjoy the niceties of life> 3 : a fine point or distinction : subtlety <the niceties of table manners> ...