1) Aggressive 2) Aggressively self-assured 3) Bold and confident 4) Cocky 5) Dynamic 6) Emphatic 7) Far from reticent 8) Forceful 9) Forward 10) Go-ahead 11) Imperative 12) Inclined to be bold 13) Loud-mouthed 14) Over-ambitious 15) Self-assured and positive 16) Self-confident 17) Strong-willed 18) Unduly confident 1) Aggressive 2) Cocky 3) Imperative 4) Insistent 5) Rigid 
• (a.) Positive; affirming confidently; affirmative; peremptory.
As·sert'ive adjective Positive; affirming confidently; affirmative; peremptory. « In a confident and assertive form. Glanvill. » 
[adj] - inclined to bold and confident assertion 2. [adj] - confidently aggressive
assertive 1. Confidently aggressive or self-assured; aggressive; dogmatic. 2. Inclined to bold or confident assertions; aggressively self-assured.
self-asserting adjective confidently aggressive; `too assertive as a salesman`; `his self-assertive and unflagging energy`
A term indicating the presence of a pronounced taste or aroma.
confidently aggressive or self-assured; positive: aggressive; dogmatic: He is too assertive as a salesman. · having a distinctive or pronounced taste or aroma.