Teleological \Te`le*o*log"ic*al\, a. [Cf. F. t['e]l['e]ologique.] 1. (Biol.) Of or pertaining to teleology, or the doctrine of design. [1913 Webster] 2. showing evidence of design or purpose, especially in natural phenomena. [PJC] -- {Te`le*o*log"ic*al*ly}, adv. [1913 Webster]