to say or write that something is true, correct etc

declare the truth of something

to urge (something) strongly against opposition or disbelief; to give (an order) that not be changed

order and expect; claim

to declare that one has (beliefs, likes, ignorance, interests etc)

declare, assert

complain, disapprove; argue against

complain, disapprove; argue against

to be responsible for; express confidence, in a person, a person's character

give assurance