a. (sb.) [f. L. cohortāt-, ppl. stem of cohortāri + -IVE.] Pertaining to cohortation: in Heb. Grammar, applied to a lengthened form of the future (imperfect or present) tense; used almost entirely in the first person, where its force can generally be given by let me, let us; the future paragogic.
1852. Gesenius Heb. Gram. (Eng. transl.), 81. The characteristic of the Cohortative is a long a.
1874. A. B. Davidson, Introd. Heb. Gram. (1888), 59, note. Both the Jussive and Cohortative are comprehended by Ewald under the name Voluntative.