1 [+ object] : to show (something)
Our records indicate a depth of 3,000 feet here.
Studies indicate (that) this chemical could cause cancer.
The map indicates where the treasure is buried.
to show that (something) exists or is true
There is nothing to indicate that the two events are connected.
The size of his offer indicates that he is eager to buy the house.
His hot forehead indicates a fever. = His hot forehead indicates that he has a fever.
2 [+ object] : to direct attention to (someone or something) usually by pointing
The general used a long ruler to indicate on the map exactly where the troops would land.
We asked how to get to the rear entrance, and he indicated a path leading around the right side of the building.
3 [+ object] : to show or suggest that (something) is needed — usually used as (be) indicated
Further testing is indicated. [=is called for; is necessary]
He feels that a different approach is indicated.