a party against whom a petition is filed, especially one in an appeal or a divorce case

a person who replies to something, especially one supplying information for a questionnaire or responding to an advertisement

most respondents to our questionnaire considered their practices to be in accordance with current medical guidelines

in the position of a party defending against a petition

the respondent defendant

replying to something

the respondent firms in the survey

involving or denoting a response, especially a conditioned reflex, to a specific stimulus