basic
1. ba.sic \'ba--sik\ \-si-k(*-)le-\ aj 1: of, relating to, or forming the base or essence : FUNDAMENTAL 2: constituting or serving as the basis or starting point 3a: of, relating to, containing, or having the character of a base 3b: having an alkaline reaction of rocks 4: containing relatively little silica 5: relating to or made by a basic process - ba.si.cal.ly av 2. basic n : something that is basic : FUNDAMENTAL