objective (adj.)

1610s, originally in the philosophical sense of "considered in relation to its object" (opposite of subjective), formed on pattern of Medieval Latin objectivus, from objectum "object" (see object (n.)) + -ive. Meaning "impersonal, unbiased" is first found 1855, influenced by German objektiv. Related: Objectively.

objective (n.)

1738, "something objective to the mind," from objective (adj.). Meaning "goal, aim" (1881) is from military term objective point (1852), reflecting a sense evolution in French.

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Definitions of objective from WordNet
objective (adj.)
undistorted by emotion or personal bias; based on observable phenomena;
objective evidence
an objective appraisal
Synonyms: nonsubjective
objective (adj.)
serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes;
objective case
Synonyms: accusative
objective (adj.)
emphasizing or expressing things as perceived without distortion of personal feelings or interpretation;
objective art
objective (adj.)
belonging to immediate experience of actual things or events;
an objective example
objective benefits
there is no objective evidence of anything of the kind
objective (n.)
the goal intended to be attained (and which is believed to be attainable);
Synonyms: aim / object / target
objective (n.)
the lens or system of lenses in a telescope or microscope that is nearest the object being viewed;
Synonyms: objective lens / object lens / object glass