Definitions for "Deduct"
To take away, separate, or remove, in numbering, estimating, or calculating; to subtract; -- often with from or out of.
An amount that is subtracted from a paycheck or an invoice.
make a subtraction
to take away an amount of something (e.g. a withholding tax deducted from share dividend).
retain and refrain from disbursing; of payments; "My employer is withholding taxes"
Keywords:  diminish, reduce
To reduce; to diminish.
Keywords:  forth, lead
To lead forth or out.
Keywords:  reason, establish
reason by deduction; establish by deduction