What is synonym for meaningful?

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

General:

* Significant

* Important

* Valuable

* Purposeful

* Substantive

* Profound

* Deep

* Rich

* Thought-provoking

* Insightful

* Impactful

Related to communication:

* Expressive

* Evocative

* Conveying

* Communicative

Related to relationships:

* Close

* Intimate

* Connected

* Deeply personal

Related to work or purpose:

* Fulfilling

* Satisfying

* Rewarding

* Worthwhile

* Vital

The best synonym to use will depend on the specific context of your sentence.