indication

(noun) something that serves to indicate or suggest. Synonyms: indicant. Examples: "An indication of foul play." "Indications of strain." "Symptoms are the prime indicants of disease."

(noun) the act of indicating or pointing out by name. Synonyms: denotation.

(noun) (medicine) a reason to prescribe a drug or perform a procedure. Example: "The presence of bacterial infection was an indication for the use of antibiotics."

(noun) something (as a course of action) that is indicated as expedient or necessary. Example: "There were indications that it was time to leave."

(noun) a datum about some physical state that is presented to a user by a meter or similar instrument. Synonyms: reading, meter reading. Examples: "He could not believe the meter reading." "The barometer gave clear indications of an approaching storm."