idealism
definition
the belief that reality is based on ideas and mental perceptions rather than material objects
example
His philosophical idealism led him to believe that our thoughts shape our reality more than physical objects ever could.
synonyms
mentalismconceptualismplatonicism
word origin — The word 'idealism' comes from the French word 'idéalisme', which is derived from 'idéal' meaning 'ideal', and the Greek word 'idein' meaning 'to see'.