What is the synonym for word predominantly?

Here are some synonyms for "predominantly," depending on the specific nuance you're looking for:

General Synonyms:

* Primarily

* Mainly

* Mostly

* Chiefly

* Largely

* For the most part

* In the main

* By and large

More Specific Synonyms:

* Emphasis on majority: Overwhelmingly, Significantly

* Emphasis on prominence: Eminently, Outstandingly, Conspicuously

* Emphasis on dominance: Prevalently, Dominatingly, Overrulingly

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