conforming with or constituting a norm or standard or level or type or social norm; not abnormal(adj.all)
Example: Serve wine at normal room temperature.
Normal diplomatic relations.
Normal working hours.
Normal word order.
Normal curiosity.
The normal course of events.
According to an established norm, rule, or principle; conformed to a type, standard, or regular form; performing the proper functions; not abnormal; regular; natural; analogical.(adjective)
source: webster1913
noun (n)
something regarded as a normative example(noun.cognition)