Is there a synonym of influential?

Yes, there are many synonyms for "influential," depending on the specific context and nuance you want to convey. Here are some options, grouped by their meaning:

Strong Impact:

* Powerful

* Dominant

* Authoritative

* Pivotal

* Decisive

* Weighty

* Impactful

Persuasive:

* Persuasive

* Convincing

* Compelling

* Leading

* Guiding

* Directing

Respected:

* Prestigious

* Esteemed

* Renowned

* Notable

* Eminent

* Distinguished

Other Options:

* Important

* Significant

* Prominent

* Leading

* Key

* Crucial

More specific synonyms:

* Trendsetting: for someone who influences fashion, culture, etc.

* Inspirational: for someone who motivates others.

* Charismatic: for someone who has a strong personal presence.

* Visionary: for someone who has a strong vision for the future.

The best synonym will depend on the specific context in which you're using it. Consider the type of influence you're describing and the specific nuance you want to convey.