Tacit means understood between people without being said. Tacit agreement, tacit approval, a tacit understanding.
It is stronger than implied, since a tacit agreement is one both sides are acting on. Tacit knowledge is the term for what somebody knows how to do and cannot put into words, which is why apprenticeships exist.
1adjectivetacitUnderstood between people without being said.
“Her silence was taken as tacit approval of the plan.”
tacit is a quality.
Latin tacitus means silent, from tacere, to be silent.
Proto-Indo-European
*te(H)k-
Latin
tacitus — that is passed over in silence, done without words, assumed as a matter of course, silent
Middle French
tacite
English, today
tacit
Built from
Borrowed from late Middle French tacite, or from Latin tacitus (“that is passed over in silence, done without words, assumed as a matter of course, silent”), from tacere (“to be silent”).
Etymology from Wiktionary, CC BY-SA