Source : Webster's Revised Unabridged Dictionary (1913)

Taoism \Ta"o*ism\, n.
   One of the popular religions of China, sanctioned by the
   state. -- {Ta"o*ist}, a. & n.

Source : WordNet®

Taoist
     adj 1: of or relating to the popular Chinese religious system based
            on the teachings of Lao-tzu but including a pantheon
            of gods along with divination and magic; "Taoist
            temples"
     2: of or relating to the philosophical system developed by
        Lao-tzu and Chuang-tzu advocating a simple honest life
     n : an adherent of any branch of Taoism [syn: {Tao}]