Meanings of received hints in English

If I received hints that Washington doesn't really want too deep an investigation .

She thought of the fire at Pale Lick, of which she had received hints from several people.

Both the applicants had received hints from their supporters: the Egyptian, to moderate his rigor; the Greek, to express himself in the severest terms.

That was why, the moment he had received hints of what Sir Phelim and Lord Maguire were planning, he had shown such an interest.