informed

1 based on sound reasoning or information the expert's informed opinion persuaded many fence-sitters to get a flu shot Synonyms commonsense, commonsensible, commonsensical, firm, hard, good, just, justified, levelheaded, logical, rational, reasonable, reasoned, sensible, sober, solid, valid, well-foundedRelated Words actual, real, true; certain, sure; certified, validated, verified; confirmed, corroborated, substantiated; cogent, convincing; colorable, credible, plausibleNear Antonyms unsubstantiated, unsupported, unwarranted; flimsy, implausible, unconvincing, weak; fallacious, false, misguided, misledAntonyms groundless, illogical, invalid, irrational, nonrational, nonsensical, nonvalid, unfounded, uninformed, unjustified, unreasonable, unreasoned, unsound

2 having information especially as a result of study or experience people who are informed about nutrition have some serious misgivings about this new diet Synonyms abreast, acquainted, au courant, conversant, familiar, knowledgeable, up, up-to-date, versed, well-informedRelated Words alive, aware, cognizant, conscious, heedful, mindful, sensible, sentientNear Antonyms insensible, unaware, unconscious, unmindful; blind, oblivious, unknowing, unwitting; inattentive, unheedingAntonyms ignorant, unacquainted, unfamiliar, uninformed, unknowledgeable