average, standard, model, pattern; see average 1, criterion, measure 2, model 2. See syn. study at average.
"norm." YourDictionary, n.d. Web. 24 May 2018. <http://thesaurus.yourdictionary.com/norm>.
norm. (n.d.). Retrieved May 24th, 2018, from http://thesaurus.yourdictionary.com/norm
A regular or customary matter, condition, or course of events:
Something, as a type, number, quantity, or degree, that represents a midpoint between extremes on a scale of valuation: