What is the synonym of allowed?

There are many synonyms for "allowed," depending on the context. Here are a few options, categorized by meaning:

Permission:

* Permitted

* Authorized

* Sanctioned

* Licensed

* Legitimate

* Acceptable

* Admissible

* Tolerated

Freedom:

* Free

* Permitted

* Unrestricted

* Unhindered

* Unfettered

Informal:

* OK

* Fine

* All right

* Go ahead

Specific Situations:

* Eligible (for something)

* Suitable (for a purpose)

* Appropriate (for the occasion)

The best synonym will depend on the specific sentence and the intended meaning.