normal in WordNet English dictionary

1. 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"
   convention  normal  pattern  rule  formula 
   

1. 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"
   normal 
   
2. in accordance with scientific laws
   normal 
   
3. 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"
   normal 
   
4. forming a right angle
   normal