Adjective
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"2. in accordance with scientific laws
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"4. forming a right angle