indication

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act of indicating.
• noun Something that serves to indicate; a sign.
• noun Something indicated as necessary or expedient.
• noun The information indicated by a measuring instrument.

from The Century Dictionary.

• noun The act of indicating or pointing out; a showing; exhibition; manifestation; prognostication.
• noun That which serves to indicate or point out; intimation; information; mark; token; sign; symptom.

from the GNU version of the Collaborative International Dictionary of English.

• noun Act of pointing out or indicating.
• noun That which serves to indicate or point out; mark; token; sign; symptom; evidence.
• noun Discovery made; information.
• noun obsolete Explanation; display.
• noun (Med.) Any symptom or occurrence in a disease, which serves to direct to suitable remedies. Opposite of contraindication.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Act of pointing out or indicating.
• noun That which serves to indicate or point out; mark; token; sign; symptom; evidence.
• noun Discovery made; information.
• noun obsolete Explanation; display. Francis Bacon.
• noun medicine Any symptom or occurrence in a disease, which serves to direct to suitable remedies.
• noun finance An declared approximation of the price at which a traded security is likely to commence trading.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (medicine) a reason to prescribe a drug or perform a procedure
• noun the act of indicating or pointing out by name
• noun something that serves to indicate or suggest
• noun something (as a course of action) that is indicated as expedient or necessary
• noun a datum about some physical state that is presented to a user by a meter or similar instrument