Wordnet 3.0
ADJECTIVE (2)
1. 
 of or relating to mechanical robots; 
- Example: "among our robotic devices is a vacuum cleaner"2. 
 resembling the unthinking functioning of a machine; 
- Example: "an automatic `thank you'"- Example: "machinelike efficiency"[syn: automatic, automatonlike, machinelike, robotlike, robotic]
WordNet (r) 3.0 (2006):
robotic
    adj 1: of or relating to mechanical robots; "among our robotic
           devices is a vacuum cleaner"
    2: resembling the unthinking functioning of a machine; "an
       automatic `thank you'"; "machinelike efficiency" [syn:
       automatic, automatonlike, machinelike, robotlike,
       robotic]