communication - something that is communicated by or to or between people or groups

gesture - something done as an indication of intention; "a political gesture"; "a gesture of defiance"

evidence - an indication that makes something evident; "his trembling was evidence of his fear"

vestige, tincture, trace, shadow - an indication that something has been present; "there wasn't a trace of evidence for the claim"; "a tincture of condescension"

symptom - anything that accompanies X and is regarded as an indication of X's existence

signalisation, signalization - a conspicuous indication

pointing out - indication by demonstration

manifestation - a manifest indication of the existence or presence or nature of some person or thing; "a manifestation of disease"

print, mark - a visible indication made on a surface; "some previous reader had covered the pages with dozens of marks"; "paw prints were everywhere"

glimpse - a vague indication; "he caught only a glimpse of the professor's meaning"

harbinger, herald, precursor, forerunner - an indication of the approach of something or someone

clue, hint - a slight indication

smoke - an indication of some hidden activity; "with all that smoke there must be a fire somewhere"

naming - the verbal act of naming; "the part he failed was the naming of state capitals"

reason - a fact that logically justifies some premise or conclusion; "there is reason to believe he is lying"

medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques

advice - a proposal for an appropriate course of action

data point, datum - an item of factual information derived from measurement or research

clock time, time - the time as given by a clock; "do you know what time it is?"; "the time is 10 o'clock"

miles per hour, mph - a speedometer reading for the momentary rate of travel