The adjective has 4 meanings:
Meaning #1:
of or pertaining to a philosophy asserting human dignity and man's capacity for fulfillment through reason and scientific method and often rejecting religion
Synonym: humanist
Pertains to noun: humanism (meaning #2)
Meaning #2:
of or pertaining to Renaissance humanism
Synonym: humanist
Pertains to noun: humanism (meaning #3)
Meaning #3:
pertaining to or concerned with the humanities
Synonyms: humanist, humane
Pertains to noun: humanities (meaning #1)
Meaning #4:
marked by humanistic values and devotion to human welfare
Synonyms: human-centered, humanist, humanitarian
