- 1 [usually passive] predicate something on/upon something to base something on a particular belief, idea, or principle Democracy is predicated on the rule of law.
- 2predicate that… predicate something to state that something is true The article predicates that the market collapse was caused by weakness of the dollar.
NAmE//ˈprɛdɪˌkeɪt//(formal)Verb Forms present simple I / you / we / they predicate
he / she / it predicates
past simple predicated
-ing form predicating