Wordnet 3.0
ADJECTIVE (1)
1. 
 capable of relieving pain; 
- Example: "the anodyne properties of certain drugs"- Example: "an analgesic effect"[syn: analgesic, analgetic, anodyne]
WordNet (r) 3.0 (2006):
analgetic
    adj 1: capable of relieving pain; "the anodyne properties of
           certain drugs"; "an analgesic effect" [syn: analgesic,
           analgetic, anodyne]