self-assured (adj.)

• arrogant
• assured
• balanced
• cocksure
• collected
• composed
• confident
• convinced
• decided
• determined
• equanimous
• levelheaded
• overconfident
• overweening
• persuaded
• poised
• pompous
• positive
• proud
• reassured
• sanguine
• secure
• self-confident
• self-important
• self-possessed
• self-reliant
• self-satisfied
• smug
• sure
• together
• unafraid
• unfaltering
• unhesitating
• unwavering
• well-balanced