subjectivism
Concise Oxford English Dictionary © 2008 Oxford University Press:
subjectivism/səbˈʤektɪvɪzəm/
▶noun Philosophy the doctrine that knowledge is merely subjective and that there is no external or objective truth.
– derivatives
subjectivist noun & adjective.
subjectivist noun & adjective.
'subjectivism' also found in these Oxford entries:

