basic in WordNet English dictionary

1. (usually plural) a necessary commodity for which demand is constant
   basic  staple 
   

1. pertaining to or constituting a base or basis
   "a basic fact"; "the basic ingredients"; "basic changes in public opinion occur because of changes in priorities"
   basic 
   
2. of or denoting or of the nature of or containing a base
   basic 
   
3. reduced to the simplest and most significant form possible without loss of generality
   "a basic story line"; "a canonical syllable pattern"
   basic  canonic  canonical 
   
4. serving as a base or starting point
   "a basic course in Russian"; "basic training for raw recruits"; "a set of basic tools"; "an introductory art course"
   basic  introductory