(dated) An attracting of attention, as a lion (celebrity); the treating or regarding as a lion.
Examples
Lionism is one of those international organizations that should join efforts for the preservation and improvement of the human environment, for the benefit of all the people for their posterity.
Today, the Moroccan lionism, become ripe, is still one of most alive and dynamic of our continent, with 34 clubs and more than 700 members engaged in the action of services to the others for a carrying national environment.
It is presented to a Lion for dedicated humanitarian service toward the principles of Lionism through home and community affairs.
Not many people are aware that we welcome ladies to Lionism as well as men.
The purpose of this organization is to foster and develop the avocation of coin collecting among Lions, Lionesses, and Leos and their families, and to strengthen international Lionism through international goodwill.
They hope on your acting presence to make more shine the humanistic values of sharing and comprehension of the international lionism.