Couéism
[ koo-ey-iz-uh m, koo-ey-iz- ]
/ kuˈeɪ ɪz əm, ˈku eɪˌɪz- /
noun
a method of self-help stressing autosuggestion, popular especially in the U.S. c1920 and featuring the slogan “Day by day in every way I am getting better and better.”