Webster's Revised Unabridged Dictionary · 1913

Economize

Economize (e*kon"o*mīz) , transitive verb

[Compare French économiser.]

To manage with economy; to use with prudence; to expend with frugality; as, to economize one's income.
Expenses in the city were to be economized. — Jowett (Thucyd. )
Calculating how to economize time. — W. Irving

Economize , intransitive verb

To be prudently sparing in expenditure; to be frugal and saving; as, to economize in order to grow rich. — Milton