Wordnet 3.0
ADJECTIVE (1)
1. 
 relating to human society and its members; 
- Example: "social institutions"- Example: "societal evolution"- Example: "societal forces"- Example: "social legislation"[syn: social, societal]
WordNet (r) 3.0 (2006):
societal
    adj 1: relating to human society and its members; "social
           institutions"; "societal evolution"; "societal forces";
           "social legislation" [syn: social, societal]