to show that sth is true or exists
Record profits in the retail market indicate a boom in the economy.
Research indicates that eating habits are changing fast.
Kingston-upon-Thames, as the name indicates, is situated on the banks of the Thames.
to be a sign of sth; to show that sth is possible or likely
A red sky at night often indicates fine weather the next day.
Early results indicate that the government will be returned to power.
to mention sth, especially in an indirect way
In his letter he indicated to us (that) he was willing to cooperate.
He indicated his willingness to cooperate.
to make sb notice sb/sth, especially by pointing or moving your head
She took out a map and indicated the quickest route to us.
He indicated where the furniture was to go.
to represent information without using words
The results are indicated in Table 2.
to give information in writing
You are allowed 20kgs of baggage unless indicated otherwise on your ticket.
Please indicate clearly which colour you require.
of an instrument for measuring things
to show a particular measurement
When the temperature gauge indicates 90˚F or more, turn off the engine.
to show that your vehicle is going to change direction, by using lights or your arm
Always indicate before moving into another lane.
He indicated left and then turned right.
to be necessary or recommended
A course of chemotherapy was indicated.
These words all mean to say sth, usually firmly and clearly and often in public.
( rather formal ) to say sth officially or publicly; to state sth firmly and clearly
to declare war
The painting was declared to be a forgery.
( rather formal ) to formally write or say sth, especially in a careful and clear way
He has already stated his intention to run for election.
( rather formal ) to state sth, sometimes in a way that is slightly indirect
During our meeting, he indicated his willingness to cooperate.
to tell people officially about a decision or plans; to give information about sth in a public place, especially through a loudspeaker; to say sth in a loud and/or serious way
They haven't formally announced their engagement yet.
Has our flight been announced yet?
declare or announce?
Declare is used more often for giving judgements; announce is used more often for giving facts.