Merriam-Webster Collegiate Dictionary - subjective

 I. adjective  Date: 15th century  1. of, relating to, or constituting a subject: as  a. obsolete of, relating to, or characteristic of one that is a subject especially in lack of freedom of action or in submissiveness  b. being or relating to a grammatical subject; especially nominative  2. of or relating to the essential being of that which has substance, qualities, attributes, or relations  3.  a. characteristic of or belonging to reality as perceived rather than as independent of mind ; phenomenal — compare objective 1b  b. relating to or being experience or knowledge as conditioned by personal mental characteristics or states  4.  a.  (1) peculiar to a particular individual ; personal ~ judgments  (2) modified or affected by personal views, experience, or background a ~ account of the incident  b. arising from conditions within the brain or sense organs and not directly caused by external stimuli ~ sensations  c. arising out of or identified by means of one's perception of one's own states and processes a ~ symptom of disease — compare objective 1c  5. lacking in reality or substance ; illusory  • ~ly adverb  • ~ness noun  • subjectivity noun  II. noun  Date: 1817 something that is ~; also nominative