1541, from L. indicationem (nom. indicatio) "valuation," from indicare "point out, show," from in- "in" + dicare "proclaim," from stem of dicere "to speak, to say" (see diction). Verb indicate is first attested 1651.
something that serves to indicate or suggest; "an indication of foul play"; "indications of strain"; "symptoms are the prime indicants of disease"
2.
the act of indicating or pointing out by name
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]
In`di*ca"tion\, n. [L. indicatio: cf. F. indication.]1. Act of pointing out or indicating. 2. That which serves to indicate or point out; mark; token; sign; symptom; evidence. The frequent stops they make in the most convenient places are plain indications of their weariness. --Addison. 3. Discovery made; information. --Bentley. 4. Explanation; display. [Obs.] --Bacon. 5. (Med.) Any symptom or occurrence in a disease, which serves to direct to suitable remedies. Syn: Proof; demonstration; sign; token; mark; evidence; signal.
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