2. Descriptive of something that is implied and understood, as by an action rather than verbally responding: Greg showed his tacit approval of the trip by nodding and smiling in complete silence.
3. Etymology: from Latin tacitus, "that is passed over in silence, done without words, assumed as a matter of course, silent" from tacere "to be silent".
Go to this Word A Day Revisited Index
so you can see more of Mickey Bach's cartoons.
Some examples of tacit assumptions are those arguments supporting moral, religious, racist, organizational culture, and political arguments.
2. Knowledge of and an unspoken approval to the commission of an illegal act by another person: When Fred saw his friend eating an extra piece of cake at the restaurant without paying for it, he indicated tacit consent by smiling and winking.
Gabrielle has tacit knowledge about data that is understood only by her; so, it is too much trouble for her to attempt to communicate such information to other people with words or symbols.