impressionist vs impressionistic

impressionist

noun
  • A performer who does impressions; a mimic. 

  • One who adheres to the theory or method of impressionism. 

impressionistic

adj
  • Based on subjective reactions or feelings; not systematically researched or arrived at. 

  • Impressible. 

  • Based on impression rather than reason or fact; based on trying to impress somebody rather than trying for accuracy. 

  • Pertaining to or characterized by impressionism. 

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