a delicate or fine point; punctilio

niceties of protocol.

a fine distinction; subtlety; detail

the niceties of the filigree work.

Usually, niceties. a refined, elegant, or choice feature, as of manner or living

working hard to acquire the niceties of life.

exactness or precision.

the quality of being nice; niceness.

delicacy of character, as of something requiring care or tact

a matter of considerable nicety.

noun

detail , exactness , fine distinction , meticulousness , nuance , precision , refinement , rigor , rigorousness , shade , subtletynotes:niceness is a courteous manner that respects accepted social usage while nicety is a fine detail , distinction , or small difference or an elegant , choice , or refined feature