Synonym of ECONOMISE

Accumulate : gather together or acquire an increasing number or quantity of.
Minimise : reduce (something, especially something undesirable) to the smallest possible amount or degree.
Save : keep and store up (something, especially money) for future use.
Reduce : make smaller or less in amount, degree, or size.
Economise : spend less; reduce one's expenses.

Synonym of Economise is Save