What is another word for confident?

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

General:

* Assured

* Self-assured

* Bold

* Brave

* Certain

* Positive

* Self-possessed

* Unwavering

* Sure

* Optimistic

* Trusting

Formal:

* Self-reliant

* Composed

* Resolute

* Unflappable

Informal:

* Cool

* Chill

* Easygoing

* At ease

Specific to certain contexts:

* Self-believing (referring to belief in one's abilities)

* Sanguine (referring to optimism)

* Arrogant (referring to excessive confidence)

The best word to use will depend on the specific situation and the tone you want to convey.