indication (
http://definr.com/indication)
n 1: a signal that serves to indicate or suggest something; "an
indication of foul play"; "indications of strain";
"symptoms are the prime indicants of disease" [syn:
indicant]
2: the act of indicating
3: (medicine) a reason to prescribe a drug or perform a
procedure; "the presence of bacterial infection was an
indication for the use of antibiotics" [ant:
contraindication]