1. a : relating to or existing as an object of thought without consideration of independent existence —used chiefly in medieval philosophy
b : of, relating to, or being an object, phenomenon, or condition in the realm of sensible experience independent of individual thought and perceptible by all observers : having reality independent of the mind <objective reality> <our reveries … are significantly and repeatedly shaped by our transactions with the objective world — Marvin Reznikoff> — compare subjective 3a
c : involving or deriving from sense perception or experience with actual objects, conditions, or phenomena <objective awareness> <objective data>
2. a : expressing or dealing with facts or conditions as perceived without distortion by personal feelings, prejudices, or interpretations <objective art> <an objective history of the war> <an objective judgmen
Cited from: Merriam-Webster
(adj.) Old English agen "one's own," literally "possessed by," from Proto-Germanic *aigana- "possessed, owned" (cognates: Old Saxon egan, Old Frisian egin, Old Norse eiginn, Dutch eigen, German eigen "own"), from past participle of PIE *aik- "to be master of, possess," source of Old English agan "to have" (see owe).
Cited from: Online Etymology Dictionary