tacit-, taci-, tace-

(Latin: silent, silence; unspoken; quiet)

Qui tacet consentit. (Latin proverb)
Translation: "He who remains silent consents."

Another translation is "Silence implies consent."

reticence
Maintenance of silence; avoidance of saying too much or of speaking freely; disposition to say very little or nothing.
reticent
Reserved; disinclined to speak freely; given to silence or concealment.
tace
The Latin for "Be silent!" According to the Oxford English Dictionary, "tace is Latin for a candle, a humorously veiled hint to any one to keep silent about something."
tacenda
Things to be passed over in silence; matters not to be mentioned.
Tacet.
It is silent.

A musical notation that directs a singer or instrumentalist to "Be silent" during that portion of a score so marked with Tacet.

tacet
A musical instruction, or direction that the voice or instrument is to be silent for a time.
tacit
1. Unspoken, unvoiced; silent, emitting no sound; noiseless, wordless.
2. Not openly expressed or stated, but implied; understood, inferred.
3. Implied (as by an act or by silence) rather than expressing oneself.
tacit arms control agreement, tacit-arms-control agreement (s) (noun); tacit arms control agreements, tacit-arms-control agreements (pl)
An arms control course of action in which two or more nations participate without any formal agreement having been made.
tacit assumptions
The underlying agreements or statements made in the development of a logical argument, course of action, decision, or judgment that are not explicitly voiced nor necessarily understood by the decision maker or judge.

Some examples of tacit assumptions are those arguments supporting moral, religious, racist, organizational culture, and political arguments.

tacit consent
1. In law, tacit approval of someone's wrongdoing.
2. The tacit encouragement or assent (without participation) to wrongdoing by another.
3. Knowledge of and tacit consent to the commission of an illegal act by someone else.
tacit knowledge (s) (noun), tacit knowledges (pl)
A reference to having acquired facts about matters that is only available to a certain individual and which is very difficult to share with other people: The scientist's tacit knowledge was difficult to share with his friends, even when he wrote it out or was trying to verbally explain what kind of research he was working on.

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.

tacitly
1. Without speaking; silently; quietly.
2. Without stating or expressing anything; by implication.
3. Understood without being openly expressed; implied: "He tacitly approved of the plan."
4. Silent; saying nothing: "His partner was tacitly noncommital."
5. Unvoiced or unspoken: "The prayers were tacitly conducted."
tacitness
The quality of being tacit; silence.
Tacitum vivit sub pectore vulnus.
A wound unuttered lives deep within the breast.

Virgil gave this perspective that it is better not to suffer personal attacks in silence.

Silence words. More silence-content words at these links: mute and silen-.