NICETY
justness, rightness, nicety
(noun) conformity with some esthetic standard of correctness or propriety; “it was performed with justness and beauty”
nuance, nicety, shade, subtlety, refinement
(noun) a subtle difference in meaning or opinion or attitude; “without understanding the finer nuances you can’t enjoy the humor”; “don’t argue about shades of meaning”
Source: WordNet® 3.1
Etymology
Noun
nicety (countable and uncountable, plural niceties)
A small detail or distinction.
Subtlety or precision of use.
Delicacy of character or feeling usually from excessive refinement; fastidiousness
(obsolete) That which is delicate to the taste.
Source: Wiktionary
Ni"ce*ty, n.; pl. Niceties. Etym: [OE. niceté foolishness.]
1. The quality or state of being nice (in any of the senses of that
word.).
The miller smiled of her nicety. Chaucer.
2. Delicacy or exactness of perception; minuteness of observation or
of discrimination; precision.
3. A delicate expression, act, mode of treatment, distinction, or the
like; a minute distinction.
The fineness and niceties of words. Locke.
To a nicety, with great exactness or accuracy.
Source: Webster’s Unabridged Dictionary 1913 Edition