1. (noun)convention, normal, pattern, rule, formula something regarded as a normative example "the convention of not naming the main character"; "violence is the rule not the exception"; "his formula for impressing visitors"
2. (adj)normal conforming with or constituting a norm or standard or level or type or social norm; not abnormal
"serve wine at normal room temperature"; "normal diplomatic relations"; "normal working hours"; "normal word order"; "normal curiosity"; "the normal course of events"
4. (adj)normal being approximately average or within certain limits in e.g. intelligence and development "a perfectly normal child"; "of normal intelligence"; "the most normal person I've ever met"