normal
noun
something regarded as a normative example
“the convention of not naming the main character”
“violence is the rule not the exception”
adjective
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”
Oppositesabnormalin accordance with scientific laws
Oppositesparanormalbeing approximately average or within certain limits in e.g. intelligence and development
“a perfectly normal child”
“of normal intelligence”
Oppositesabnormalforming a right angle
Source: WordNet 3.1, Princeton University