preinformed

Told in advance

Preinformed means informed beforehand—given information in advance of some event or situation.

Someone who is preinformed arrives already knowing what to expect: The committee members were preinformed of the agenda.

The word emphasizes that knowledge was acquired prior to the relevant moment, not during it.

sensename

briefed

Given essential information

advised · alerted · forewarned · cautioned · tipped-off · clued-in · warned · told · heads-up · prenotified

prepared

ready

Suitable for use now

primed · rehearsed · armed · anticipatory · proactive · readied · braced · girded · fortified · provisioned

knowledgeable

educated

Having received formal instruction

versed · acquainted · familiar · instructed · tutored · schooled · grounded · well-versed · backgrounded · oriented

aware

conscious

Mentally present and alert

cognizant · knowing · perceptive · vigilant · awake · heedful · watchful · discerning · observant · sensible

Opposites
advance knowledge

preinformedblindsided

Surprised by unforeseen impact

caught off guard · uninformed · surprised · unaware · taken by surprise

Family

inform, informs, informed, informing, informer, informers, information, informational, informative

Familiarity
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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G