evident : Idioms & Phrases

• adjective satellite evident without proof or argument
  taken for granted; axiomatic.
  
  • an axiomatic truth
  • we hold these truths to be self-evident

WordNet

Self`-ev"i*dent adjective

Definitions

1. Evident without proof or reasoning; producing certainty or conviction upon a bare presentation to the mind; as, a self-evident proposition or truth. -- Self`-ev"i*dent*ly, adv.

Webster 1913

• noun an assumption that is basic to an argument
  basic assumption; constatation.
  

WordNet