Source : Webster's Revised Unabridged Dictionary (1913)

Archaeologic \Ar`ch[ae]*o*log"ic\, Archaeological
\Ar`ch[ae]*o*log"ic*al\,
   Relating to arch[ae]ology, or antiquities; as,
   arch[ae]ological researches. -- {Ar`*ch[ae]*o*log"ic*al*ly},
   adv.

Source : WordNet®

archaeological
     adj : related to or dealing with or devoted to archaeology; "an
           archaeological dig"; "a dramatic archaeological
           discovery" [syn: {archeological}, {archaeologic}, {archeologic}]