Humanitarianism
Part of speech: noun
Definition: Humanitarian philosophy or practice.
Humanism
Part of speech: noun
Definition: (often capitalized) The historical revival of Classical culture, notably during the Renaissance circa 16th centuryAn ethical system that centers on humans and their values, needs, interests, abilities, dignity and freedom; especially used for a secular one, as an alterative to religious values.Humanitarianism, philanthropyThe study of the humanities or the liberal arts
Example sentence: One can't understand the Christian Right and similar movements unless one sees them as reactive - they're reacting to what they call secular humanism.