nicety

noun, plural ni·ce·ties.

1. a delicate or fine point; punctilio: niceties of protocol.
2. a fine distinction; subtlety; detail: the niceties of the filigree work.
3. Usually niceties. a refined, elegant, or choice feature, as of manner or living: working hard to acquire the niceties of life.
4. exactness or precision.
5. the quality of being nice; niceness.
6. delicacy of character, as of something requiring care or tact: a matter of considerable nicety.

noun plural -ties

1. a subtle point of delicacy or distinctiona nicety of etiquette
2. (usually plural) a refinement or delicacythe niceties of first-class travel
3. subtlety, delicacy, or precision
4. excessive refinement; fastidiousness
5. to a nicety with precision