subjectivism
A philosophical stance that emphasizes the role of the subject's perspective, consciousness, or experience in constituting knowledge or reality. Often contrasted with objectivism.
Subjectivism is the position that cognition depends on the subject's experience.
Subjectivism in ethics claims that value judgments are based on individual feelings.
主観主義 is a near-synonym also meaning subjectivism, often used interchangeably in philosophical contexts.
Compound of 主観 (しゅかん, 'subjectivity') + 論 (ろん, 'theory, argument'). The term is a calque from Western philosophical vocabulary.