Synonyms for Indication (same or very similar meaning)
WordNet sense 1 (the act of indicating or pointing out by name):
denotation
WordNet sense 2 (something that serves to indicate or suggest):
indicant
WordNet sense 3 (a datum about some physical state that is presented to a user by a meter or similar instrument):
reading, meter reading
From the ODE community, based on WordNet
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