S: (n) humanism, secular humanism (the doctrine emphasizing a person's capacity for self-realization through reason; rejects religion and the supernatural)
S: (n) humanism (the cultural movement of the Renaissance; based on classical studies)
S: (n) movement, social movement, front (a group of people with a common ideology who try together to achieve certain general goals) "he was a charter member of the movement"; "politicians have to respect a mass movement"; "he led the national liberation front"