compelling

(verb) force somebody to do something. Synonyms: compel, oblige, obligate. Example: "We compel all students to fill out this form."

(verb) necessitate or exact. Synonyms: compel. Example: "The water shortage compels conservation."

(adj) driving or forcing. Example: "Compelling ambition."

(adj) tending to persuade by forcefulness of argument. Example: "New and compelling evidence."