indicated by necessary connotation though not expressed directly; "gave silent consent"; "a tacit agreement"; "the understood provisos of a custody agreement"
If you refer to someone's tacit agreement or approval, you mean they are agreeing to something or approving it without actually saying so, often because they are unwilling to admit to doing so. The question was a tacit admission that a mistake had indeed been made + tacitly tac·it·ly He tacitly admitted that the government had breached regulations. tacit agreement, approval, support etc is given without anything actually being said (tacite, from tacitus, from tacere )