The Collaborative International Dictionary
Economize \E*con"o*mize\ ([-e]*k[o^]n"[-o]*m[imac]z), v. t. [imp. & p. p. Economized ([-e]*k[o^]n"[-o]*m[imac]zd); p. pr. & vb. n. Economizing.] [Cf. F. ['e]conomiser.] To manage with economy; to use with prudence; to expend with frugality; as, to economize one's income. [Written also economise.]
Expenses in the city were to be economized.
--Jowett
(Thucyd. ).
Calculating how to economize time.
--W. Irving.
Wiktionary
vb. (en-past of: economize)
Usage examples of "economized".
We were more than a week making the trip, because our Kanaka horses would not go by a house or a hut without stopping--whip and spur could not alter their minds about it, and so we finally found that it economized time to let them have their way.