promise
suggest
confirm
advise
communicate information to someone in spoken or written words
assure someone that one will definitely do sth or that sth will happen.
repeat somehting for emphasis
offer suggestions about the best course of action to someone
say
confess that something is true
deny
give a reason for sth
insist
say sth that has been a secret
claim
tell
utter words so as to convey information, an opinion, a feeling or intention, or an instruction
say that somehting isn't true
say something is a fact
reveal
explain
put forward for consideration
say that a rumour or belif is correct
admit