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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.
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.
objective ob·jec·tive (əb-jěk'tĭv)
The lens or lenses in the lower end of a microscope or other optical instrument that first receives light rays from the object being examined and forms its image. adj.
Based on observable phenomena; presented factually.
Indicating a symptom or condition perceived as a sign of disease by someone other than the person affected.