Definitions of answer
a thing said, written, or done to deal with or as a reaction to a question, statement, or situation.
We will never know, since pollsters, like trial lawyers, always avoid questions whose answers might prove embarrassing or unforeseen.
act in reaction to (a sound such as a telephone ringing or a knock or ring on a door).
Caroline seemed genuinely pleased to see him when she answered a knock on her back door.
be responsible or report to (someone).
He answers to the attorney general, the panel of judges and ultimately the president.
be suitable for fulfilling (a need); satisfy.
Indeed, throughout most of history, these crude forms of fuel answered the world's energy needs.
defend oneself against (a charge, accusation, or criticism).
There is also that famous quote from Peter Cook answering the accusation that the 1960s satire boom was damaging to society.
say or write something to deal with or as a reaction to someone or something.
I didn't answer him