What is a synonym for sober?

Here are some synonyms for "sober," depending on the specific context:

For describing a state of mind:

* Temperate

* Moderate

* Sensible

* Rational

* Serious

* Collected

* Composed

* Clear-headed

* Sound

* Unintoxicated

For describing a person's appearance:

* Dour

* Grim

* Solemn

For describing a color:

* Muted

* Subdued

* Neutral

The best synonym to use will depend on the specific situation and the meaning you are trying to convey.