knowns

Things already understood

Knowns are facts or quantities that have been established, as opposed to unknowns that remain uncertain or undetermined.

The term appears most often in scientific, mathematical, or investigative contexts: We separated the knowns from the unknowns.

The phrase known unknowns describes things we're aware we don't understand, while unknown unknowns are gaps we haven't even identified.

established

facts

Verifiable pieces of truth

constants · axioms · principles · foundations · premises · baselines · assumptions · tenets · conventions · standards

evident

obvious

Easily perceived, unmistakable

manifest · unmistakable · undeniable · patent · transparent · plain · self-evident · conspicuous · noticeable · discernible

acknowledged

admitted

Confessed or granted entry

declared · disclosed · revealed · avowed · confessed · stated · announced · validated · verified · corroborated

familiar

recognizable

Able to be identified

routine · customary · traditional · regular · intimate · nostalgic · remembered · expected · predictable · reliable

Categories
Opposites
epistemic certainty

knownsunknowns

Undetermined quantities

uncertainties · mysteries · variables · guesses · conjectures

familiarity/recognition

knownsunknowns

Undetermined quantities

strangers · dark horses · newcomers · uncharted territory · outsiders

Phrases
Family

know, knowledge, known, knowing, unknown, acknowledge, knows, well-known, acknowledged

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