genetical
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
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]