based adj 1: having a base; "firmly based ice" 2: having a base of operations (often used as a combining form); "a locally based business"; "an Atlanta-based company"; "carrier-based planes"
Base \Base\ (b[=a]s), v. t. [imp. & p. p. {Based} (b[=a]sd); p. pr. & vb. n. {Basing}.] [From {Base}, n.] To put on a base or basis; to lay the foundation of; to found, as an argument or conclusion; -- used with on or upon. --Bacon. [1913 Webster]
Based \Based\ (b[=a]sd), p. p. & a. 1. Having a base, or having as a base; supported; as, broad-based. [1913 Webster] 2. [See {Base}, n., 18-21.] Wearing, or protected by, bases. [Obs.] "Based in lawny velvet." --E. Hall. [1913 Webster]