Main entry: convention, formula, pattern, normal, rule
Definition: something regarded as a normative example
Usage: the convention of not naming the main character; violence is the rule not the exception; his formula for impressing visitors
Main entry: normal
Definition: conforming with or constituting a norm or standard or level or type or social norm; not abnormal
Usage: serve wine at normal room temperature; normal diplomatic relations; normal working hours; normal word order; normal curiosity; the normal course of events
Main entry: normal
Definition: being approximately average or within certain limits in e.g. intelligence and development
Usage: a perfectly normal child; of normal intelligence; the most normal person I've ever met
Main entry: normal
Definition: in accordance with scientific laws
Main entry: normal
Definition: forming a right angle