We don't have synonyms for polycletus yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are polyclitus, polycleitus and polychetous.
(n) :
Alternative form of Polyclitus, A male given name from Latin Polyclētus [in turn from Ancient Greek Πολύκλειτος (Polúkleitos, “far-famed, greatly renowned”)]. [A male given name from Latin Polyclītus [in turn from Ancient Greek Πολύκλειτος (Polúkleitos, “far-famed, greatly renowned”)].]
(n) :
Alternative form of Polyclitus, A male given name from Latin Polyclētus [in turn from Ancient Greek Πολύκλειτος (Polúkleitos, “far-famed, greatly renowned”)]. [A male given name from Latin Polyclītus [in turn from Ancient Greek Πολύκλειτος (Polúkleitos, “far-famed, greatly renowned”)].]