obligation

mastery
UK /ˌɒb.lɪˈɡeɪ.ʃn̩/ US /ˌɑ.blɪˈɡeɪ.ʃn̩/noun

card 1 of 10 · synonym

Which word is closest in meaning to "obligation" in this sentence?

Parents have an obligation to ensure their children attend school regularly.