impressionistic

adjective4

1. •
   Pertaining to or characterized by impressionism.
2. •
   Based on subjective reactions or feelings; not systematically researched or arrived at.

   • Also, it must be remembered that claims made by Kindersley and Goffin were impressionistic, as opposed to being based on modern linguistic data collection and analysis methods. — 2014
3. •
   Based on impression rather than reason or fact; based on trying to impress somebody rather than trying for accuracy.
4. •
   Impressible.