a. and sb. [f. EXTENUATE v. + -IVE.]
A. adj. a. Tending to make lean. b. Tending to extenuate (guilt).
1610. Barrough, Meth. Physick, II. ix. (1639), 85. They have more need of extenuative meates then those that have the Pleurisie.
1827. Bentham, Ration. Evid., Wks. 1843, VII. 15. Proving the existence of some justificative, or extenuative, or exemptive, circumstance.
B. sb. a. Something serving to extenuate guilt. b. A medicine producing extenuation or emaciation.
a. 1734. North, Exam., II. v. § 90. Another Extenuative of the intended Rebellion.
1818. Blackw. Mag., III. 524/2. Be a little more sparing of extenuatives and soporifics.