What is the synonym fo deliberately?

Here are some synonyms for "deliberately", depending on the nuance you want to convey:

Formal:

* Intentionally

* Purposefully

* Consciously

* On purpose

* Designedly

* Calculatedly

* Premeditatedly

Informal:

* On purpose

* Knowingly

* By design

* With intent

Other options:

* Willfully (emphasizes a strong desire to do something)

* Calculatedly (emphasizes careful planning)

* Thoughtfully (emphasizes consideration)

The best synonym to use will depend on the specific context and the meaning you want to convey.