To point out; to discover; to direct to a knowledge of; to show; to make known.
The guard blew his whistle to indicate imminent departure.
To show or manifest by symptoms; to point to as the proper remedies.
Great prostration of strength indicates the use of stimulants.
To signal in a vehicle the desire to turn right or left.
To investigate the condition or power of, as of steam engine, by means of an indicator.