Wordnet 3.0
NOUN (1)
1. 
 advocate of teleology; 
The Collaborative International Dictionary of English v.0.48:
Teleologist \Te`le*ol"o*gist\, n. (Biol.)
   One versed in teleology.
   [1913 Webster]
WordNet (r) 3.0 (2006):
teleologist
    n 1: advocate of teleology