n. The act of gravitating or tending toward a center of attraction.n. That attraction between bodies, or that acceleration of one toward another, of which the fall of heavy bodies to the earth is an instance. See gravity, 1.n. In philology, the tendency of sounds and syllables having little or no stress to become merged in the accented syllable, or to fall away entirely; the absorption of weaker elements.n. Figuratively, a prevailing tendency of mental or social forces or activities toward some particular point or result.