affirmative vs approbative

affirmative

adj
  • Confirmative; ratifying. 

  • pertaining to truth; asserting that something is; affirming 

  • pertaining to any assertion or active confirmation that favors a particular result 

  • Expressing the agreement of the two terms of a proposition. 

  • positive 

  • dogmatic 

  • positive; not negative 

noun
  • An answer that shows agreement or acceptance. 

  • Yes; an answer that shows agreement or acceptance. 

intj
  • An elaborate synonym for the word yes. 

  • Yes; true; correct. 

approbative

adj
  • Expressing approval. 

  • Sanctioning officially, giving authorization or approval to something. 

noun
  • A word or grammatical form which denotes a positive affect expressing the appreciation or approval of the speaker. 

How often have the words affirmative and approbative occurred in a corpus of books? (source: Google Ngram Viewer )