When you're informed, you have all the information or knowledge that you need. An informed group of voters has been educated in detail about all the issues and candidates.

Informed students are more engaged and excited about their classes, and of course they do better on tests. An informed decision is one that you make after learning about your options and giving the matter careful thought. Informed is from the verb inform, "give someone facts or information," from the Latin informare, which literally means "to form," and is figuratively used to mean "to educate."

Definitions of informed

adj having much knowledge or education

“an informed public”
informed opinion”
“the informed customer”
possessing an education (especially having more than average knowledge)
having knowledge and spiritual insight
abreast, au courant, au fait, up on
being up to particular standard or level especially in being up to date in knowledge
having received information
conversant, familiar
(usually followed by `with') well informed about or knowing thoroughly
educated, enlightened
characterized by full comprehension of the problem involved
hep, hip, hip to
informed about the latest trends
knowing, wise, wise to
evidencing the possession of inside information
knowing, knowledgeable
alert and fully informed
(followed by `to') informed about something secret or not generally known
well informed or deeply versed through reading
having or appealing to those having worldly knowledge and refinement and savoir-faire
not informed; lacking in knowledge or information
not having a good education
not enlightened; ignorant
totally uninformed about what is going on; not having even a clue from which to infer what is occurring
ignorant, unknowing, unknowledgeable, unwitting
unaware because of a lack of relevant information or knowledge
innocent, unacquainted
not knowledgeable about something specified
not having or receiving news or information
having received no information
naive, unenlightened, uninstructed
lacking information or instruction
not informed through reading
naif, naive
marked by or showing unaffected simplicity and lack of guile or worldly experience
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