astipulate I. verb (-ed/-ing/-s) Etymology: Latin astipulatus, past participle of astipulari, from ad- + stipulari to stipulate — more at stipulate intransitive verb obsolete: agree, assent transitive verb obsolete: to agree to • astipulationnoun-s II. \(ˈ)ā+|-\adjective Etymology:a- (II) + stipulate botany: exstipulate