Convincible :: Convincible (a.) Capable of being convinced or won over.
Convincible :: Convincible (a.) Capable of being confuted and disproved by argument; refutable.
Convincingly :: Convincingly (adv.) in a convincing manner; in a manner to compel assent.
Convincingness :: Convincingness (n.) The power of convincing, or the quality of being convincing..
Inconvincible :: Inconvincible (a.) Not convincible; incapable of being convinced.
Inconvincibly :: Inconvincibly (adv.) In a manner not admitting of being convinced.