To bear the weight of, especially from below. To hold in position so as to keep from falling, sinking, or slipping. To be capable of bearing; withstand: "His flaw'd heart . . . too weak the conflict to support\u201d ( Shakespeare). To keep from weakening or failing; strengthen: The letter supported him in his grief. To provide for or maintain, by supplying with money or necessities. To furnish corroborating evidence for: New facts supported her story. To aid the cause, policy, or interests of: supported her in her election campaign. To argue in favor of; advocate: supported lower taxes. To endure; tolerate: "At supper there was such a conflux of company that I could scarcely support the tumult\u201d ( Samuel Johnson). To act in a secondary or subordinate role to (a leading performer). The act of supporting. The state of being supported. One that supports. Maintenance, as of a family, with the necessities of life.