situationism

/S IH0 CH UW0 EY1 SH AH0 N IH0 Z AH0 M/
noun
  1. 1

    A school of thought which holds that personality is more influenced by external factors than by internal traits or motivations.

  2. 2

    A mid-20th-century offshoot of Marxism, influenced by avant-garde art movements.

Source: https://en.wiktionary.org/wiki/situationism