understood -
fully apprehended as to purport or meaning or explanation; "the understood conditions of troop withdrawal were clear"
ununderstood not understood; "should not tamely submit to the unpredictable and ununderstood cycles of wars"- Psychiatry
appreciated,
apprehended,
comprehended fully understood or grasped; "dangers not yet appreciated"; "these apprehended truths"; "a thing comprehended is a thing known as fully as it can be known"
understood -
implied by or inferred from actions or statements; "gave silent consent"; "a tacit agreement"; "the understood provisos of a custody agreement"