Search Result for "multifactorial": 
Wordnet 3.0

ADJECTIVE (1)

1. involving or depending on several factors or causes (especially pertaining to a condition or disease resulting from the interaction of many genes); 



WordNet (r) 3.0 (2006):

multifactorial
    adj 1: involving or depending on several factors or causes
           (especially pertaining to a condition or disease
           resulting from the interaction of many genes)