From The Collaborative International Dictionary of English v.0.48 [gcide]:
Indication \In`di*ca"tion\, n. [L. indicatio: cf. F.
indication.]
[1913 Webster]
1. Act of pointing out or indicating.
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2. That which serves to indicate or point out; mark; token;
sign; symptom; evidence.
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The frequent stops they make in the most convenient
places are plain indications of their weariness.
--Addison.
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3. Discovery made; information. --Bentley.
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4. Explanation; display. [Obs.] --Bacon.
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5. (Med.) Any symptom or occurrence in a disease, which
serves to direct to suitable remedies. Opposite of
contraindication.
Syn: Proof; demonstration; sign; token; mark; evidence;
signal.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
indication
n 1: something that serves to indicate or suggest; "an
indication of foul play"; "indications of strain";
"symptoms are the prime indicants of disease" [syn:
indication, indicant]
2: the act of indicating or pointing out by name [syn:
indication, denotation]
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]
4: something (as a course of action) that is indicated as
expedient or necessary; "there were indications that it was
time to leave"
5: a datum about some physical state that is presented to a user
by a meter or similar instrument; "he could not believe the
meter reading"; "the barometer gave clear indications of an
approaching storm" [syn: reading, meter reading,
indication]