self-restrained (?.)

• assured
• balanced
• collected
• composed
• confident
• controlled
• equanimous
• equilibrious
• firm-minded
• forward
• importunate
• independent
• levelheaded
• poised
• pushy
• recollected
• self-asserting
• self-assertive
• self-assured
• self-confident
• self-controlled
• self-expressive
• self-possessed
• strong-minded
• strong-willed
• together
• well-balanced