any personal belief about how to live or how to deal with a situation; "self-indulgence was his only philosophy"; "my father's philosophy of child-rearing was to let mother do it"
the rational investigation of questions about existence and knowledge and ethics
make understandable to the general public; "Carl Sagan popularized cosmology in his books"
cater to popular taste to make popular and present to the general public; bring into general or common use; "They popularized coffee in Washington State"; "Relativity Theory was vulgarized by these authors"