say or write something as a reaction to someone or something

‘Of course I can,’ she answered

she answered that she would take nothing but the ring

she tried to answer his questions truthfully

Steve was about to answer, but Hazel spoke first

act in reaction to (a sound such as a phone ringing or a knock or ring on a door)

Digby answered the door

she rang Edward's house, hoping the housekeeper would answer

defend oneself against (a charge, accusation, or criticism)

he said he would return to Spain to answer all charges

be suitable for fulfilling (a need); satisfy

entrepreneurship is necessary to answer the needs of national and international markets