[syn: genetic, genetical]
The Collaborative International Dictionary of English v.0.48:
Genetical \Ge*net"ic*al\ (j[-e]*n[e^]t"[i^]*kal), a. [See
   Genesis.]
   Pertaining to, concerned with, or determined by, the genesis
   of anything, or its natural mode of production or
   development.
   [1913 Webster]
         This historical, genetical method of viewing prior
         systems of philosophy.                   --Hare.
   [1913 Webster]
WordNet (r) 3.0 (2006):
genetical
    adj 1: of or relating to or produced by or being a gene; "genic
           combinations"; "genetic code" [syn: genic, genetic,
           genetical]
    2: of or relating to the science of genetics; "genetic research"
       [syn: genetic, genetical]