Assertive and Assertory

assertive

Aggressively self-assured.
- usage: "an energetic assertive boy who was always ready to argue"; "pointing directly at a listener is an assertive act"
- synonyms: self-asserting, self-assertive

(a.) Positive; affirming confidently; affirmative; peremptory.

Webster's Revised Unabridged Dictionary

assertory

(a.) Affirming; maintaining.

Webster's Revised Unabridged Dictionary