a. Obs. [f. commandāt- ppl. stem of late L. commandāre to COMMAND: see -ORY, and cf. commendatory.] Of the nature of a command, mandatory, compulsory.
a. 1659. Bp. Morton, Episc. Ch. Eng. Justified, IV. i. (1670), 73. How commandatory the apostolical authority was.
a. 1670. Hacket, Abp. Williams, II. (1692), 71. To help the Kings necessities by a commandatory loan.