ex·ten·u·ate 
(
ĭk-st
ĕn
y
-
āt
′)
tr.v. ex·ten·u·at·ed,
ex·ten·u·at·ing,
ex·ten·u·ates 1. To lessen or appear to lessen the seriousness or extent of (an offense, for example), especially by providing partial excuses: extenuated his crime as part of his testimony.
2. Archaic a. To make thin or emaciated.
b. To mitigate or lessen.
c. To belittle; disparage.
[Latin extenuāre, extenuāt- : ex-, ex- + tenuāre, to make thin (from tenuis, thin; see ten- in the Appendix of Indo-European roots).]
ex·tenu·a′tive adj. & n.
ex·tenu·a′tor n.
ex·tenu·a·to′ry (-ə-tôr′ē) adj.