More context is needed.

Broadly, "set of manners"...

sperryindex
There is a certain theatre ethic and set of manners that anyone working on a show should know and practice. These apply to the entertainment media in ...
www.moraga.k12.ca.us/JM/Teacher/Sperry/theatretiq.htm

Review/Music; The 'Cav' and 'Pag' Duo In a City Opera Opening ...
... seemed to transform the New York State Theater into an intimate playhouse. ... It shocks, like "Cav," by playing against a genre or set of manners: the ...
www.query.nytimes.com/gst/fullpage.html?res=9E0CEFD7143BF93...

Specifically, "comedy or drama of manners."

:: Metropolis Tokyo :: MOVIES -
This sounds better when you are already a paying customer in a theater seat. ... To be sure, it's a (relatively mirthless) comedy/drama of manners, ...
http://metropolis.japantoday.com/tokyo/532/movies.asp

Comedy Movies at MSN Shopping
More Barcelona is a smart, urbane comedy of manners set in Spain at the tail ... when they formed a theatrical group known as The Kentucky Fried Theater. ...
http://shopping.msn.com/results/shp/?bCatID=5323,av=69-13402...

James Ivory films - DVD & VHS - MovieMail UK
Stylish comedy of manners, morals, money, marriage and divorce from the ... Two Manhattan theatre companies compete to stage a lost play by Jane Austen. ...
http://www.moviemail-online.co.uk/directors/544

This might work.