1.To make great, or greater; to increase the dimensions of; to amplify; to enlarge, either in fact or in appearance; as, the microscope magnifies the object by a thousand diameters. "The least error in a small quantity... will in a great one... be proportionately magnified."
2.To increase the importance of; to augment the esteem or respect in which one is held. "On that day the Lord magnified Joshua in the sight of all Israel."
3.To praise highly; to laud; to extol. (Archaic) "O, magnify the Lord with me, and let us exalt his name together."
4.To exaggerate; as, to magnify a loss or a difficulty.