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adjective

tacit

TASS-it

Hear it your way
  1. 01Understand
  2. 02Hear
  3. 03Distinguish
  4. 04See it used
  5. 05Choose how it lands
In plain English

Understood without being spoken.

Why it is worth having

It lets you name an agreement nobody wrote down, which is usually the rule doing the most work in a family or a team.

Not quite unspoken

Unspoken only means nobody said it. Tacit means nobody said it and everyone is acting on it anyway.

Words it naturally keeps company with
a tacit agreementtacit approvala tacit understandingtacit support
See it living in different rooms
workThere is a tacit rule here that nobody books meetings on Friday afternoons.
conversationWe had a tacit deal that neither of us would mention the interview.
thoughtMy silence at that meeting was tacit approval, whatever I told myself afterwards.
How the wording lands

A team has drifted into never challenging one senior engineer's design calls, and you are raising it with your manager.

Meaning held still: Name the unwritten rule so it can be discussed, without accusing anyone of enforcing it.

Restrained
There is a tacit rule that we don't question Dev's designs, and I don't think he put it there.

It lands as: Describes the pattern as something the group made, so nobody has to be the villain.

Tradeoff: Removing the blame also removes urgency, and unowned problems tend to survive.
Direct
Nobody challenges Dev's designs any more. That is a problem.

It lands as: States the behaviour and the judgment in two short sentences, which is hard to talk past.

Tradeoff: Puts one named person at the centre of a problem that belongs to the group.
Tactful
Design review has got quieter than it used to be. Have you noticed it too?

It lands as: Opens the topic as a shared observation, which invites your manager to name it themselves.

Tradeoff: If they have not noticed, the point dissolves into small talk.
What changes when the landing changes

Restrained

certainty
describes the pattern as group-made, a tacit rule Dev didn't put there, nobody the villain
exposure
removing blame removes urgency

Direct

cadence
behaviour and judgment in two sentences, nobody challenges Dev's designs, that's a problem
exposure
one named person at the centre of a group problem

Tactful

distance
opens as shared observation, review's got quieter, have you noticed
exposure
if they haven't noticed, the point dissolves
A tempting line that misses
Ask Dev to invite more challenge himself; he's the centre of the rule, so he's the one who can revoke it.

Why it tempts: The rule's apparent author fixing it seems like the shortest path.

Why it misses: The tacit rule wasn't authored, it accreted, and Dev announcing please-challenge-me changes nothing about why people don't: each junior still privately prices contradiction against Dev's track record and the room's history, the invitation gets politely consumed, and Dev now believes the problem is solved because he solved his half of a rule he never made. The intention is to name the unwritten rule so it can be discussed, because tacit agreements are group property, and only the group examining how it got there, in the manager conversation the lesson stages, actually dissolves one.

Keep building from here
near word

unspoken

Unspoken covers everything not said, feelings included; tacit specifically marks agreement functioning without words, the rule everyone obeys and nobody passed. The design-review pattern is the second, which is why naming it changes its status, a tacit rule spoken aloud has to defend itself.

concept

silent by root

Latin tacere, to be silent, the root under taciturn: the tacit is what silence has agreed to. The etymology carries the lesson's lever, these agreements live in silence and cannot survive speech, which is why the whole intervention is one sentence said out loud.

Watch for: Tacit needs the shared understanding to be real. A rule you assume everyone accepts, and nobody actually follows, is not tacit; it is only yours.

First met in The Reconciliation. Saving keeps that example with the word.

Words worth having

Build a vocabulary you can actually use.

Choose what the word should help you do, distinguish its shade, and practise how it changes a sentence.

02The promise

Useful words, not ornament.

Every word should make a thought easier to name, a sentence easier to shape, or another person easier to understand.

  1. 1
    Understand

    Begin with plain English and a sound you can follow.

  2. 2
    Distinguish

    See why a familiar nearby word is not quite the same.

  3. 3
    Use

    Meet the word in more than one kind of sentence.

  4. 4
    Choose

    Hold the intention still and notice how the wording changes its landing.

“The word is learned
when it becomes available.”

Opening or saving is never called mastery. Evidence begins only when you recall and use the word.