1679. Burnet, Hist. Ref., I. III. 243. An expletory word.
1797. Brit. Critic, Feb., 171. Dr. Garden is so fond of this expletory embellishment.
1823. Lamb, Elia (1860), 31. With the expletory yell, and I will, too.
1853. Whewell, trans. Grotius de Jure Belli et Pacis, II. II. § 3. In punishment the justice which is exercised is expletory justice [L. justitia expletrix].