Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Illumination(noun) the act of illuminating, or supplying with light; the state of being illuminated. 2  Illumination(noun) festive decoration of houses or buildings with lights. 3  Illumination(noun) adornment of books and manuscripts with colored illustrations.
Harley Quinn Already Getting A Spinoff Movie, With An Important Twist. Harley Quinn has been a staple in DC Comics staple since she was introduced in Batman: The Animated Series, and this August, sheâs finally making her theatrical debut in Suicide Squad, played by Margot Robbie.
Harley Quinn, unlikely comic book icon, steps up to the plate in 'Suicide Squad'. The Suicide Squad movie that premieres this weekend is loaded with some of DC Comics' best bad guys, but the character that steals the show (as well as a few valuables along the way) isn't a guy at all -- it's Margot Robbie's Harley Quinn.