to answer; to reply; to respond (to respond, either verbally or in written text)
to respond (to react to an action)
to answer; to reply; to respond (to give an answer in class to a teacher)
to answer; to reply; to respond (to react to someone's action doing the same thing)
to answer for; to answer to (to be responsible for something; to face the negative consequences of something; to be accountable before someone)
to suit (to be proper or suitable)
to cause, to explain, to be the reason for
to agree with, to match, to correspond
(obsolete) to repeat, to say again
(obsolete) to reject, to deny
to defend (to stand before court as the defendant)
to threaten, to make threats; to get back, to get revenge
to charge of, to accuse
to speak up (to begin speaking)
to express loyalty or subservience
to explain
to declare war
to strike back, to resist (to push back against an attack or assault)