indicate

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.

With just the turn of a shoulder she indicated the water front, where, at the end of the dock on which they stood, lay the good ship, Mount Vernon, river packet, the black smoke already pouring from her stacks.

To show or manifest by symptoms.

Great prostration of strength indicates the use of stimulants.

To point to as the proper remedies.

It was strange to buy things I used to consider luxuries but were now medically indicated, like air conditioning and well-made shoes.

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.

To a person who is familiar with the use of an indicator, whether it be of one make or another, it is needless to give instructions as to how an engine should be indicated,[…].

I found it fully as easy to indicate an engine at a speed of 320 to 340 revolutions as at 80.