What is a synonym for entirely?

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

Formal:

* Completely

* Totally

* Absolutely

* Wholly

* Thoroughly

* In toto (Latin for "in the whole")

Informal:

* All the way

* Full-on

* Through and through

* 100%

* Dead-on

Other:

* Solely (emphasizes only one thing)

* Exclusively (emphasizes the lack of other options)

The best synonym to use will depend on the specific situation and the desired level of formality.