arbiter elegantiarum
noun
arbiter el·e·gan·ti·a·rum -ˌe-lə-ˌgan-shē-ˈa-rəm 
-ˈer-əm
: a person who prescribes, rules on, or is a recognized authority on matters of social behavior and taste
Word History
Etymology
borrowed from Latin, literally, "arbiter of refinements"
First Known Use
1728, in the meaning defined above
- perspectivic
- perspectivism
- perspectivist
- perspectivistic
- perspectivity
- perspectograph
- perspectometer
- Perspex
- perspexes
- perspicacious
- perspicaciously
- perspicaciousness
- perspicaciousnesses
- perspicacities
- perspicacity
- perspicil
- perspicuities
- perspicuity
- perspicuous
- perspicuously
- perspicuousness
- perspicuousnesses
- perspirable
- perspirate
- perspirated