Mod·i·fy v. t. [imp. & p. p. Modified p. pr. & vb. n. Modifying ]
1. To change somewhat the form or qualities of; to change a part of something while leaving most parts unchanged; to alter somewhat; as, to modify a contrivance adapted to some mechanical purpose; to modify the terms of a contract.
2. To limit or reduce in extent or degree; to moderate; to qualify; to lower.
Of his grace
He modifies his first severe decree. --Dryden.