Adjectives

(a)popularregarded with great favor, approval, or affection especially by the general public“a popular tourist attraction”, “a popular girl”, “cabbage patch dolls are no longer popular”
(s)popularcarried on by or for the people (or citizens) at large“the popular vote”, “popular representation”, “institutions of popular government”
(s)democratic, popularrepresenting or appealing to or adapted for the benefit of the people at large“democratic art forms”, “a democratic or popular movement”, “popular thought”, “popular science”, “popular fiction”
(s)popular, pop(of music or art) new and of general appeal (especially among young people)