fill out

to complete a document with blank spaces by writing information.

to complete an official request form for something, such as a job, a loan, or admission to a school.

to complete various official documents and forms required for a process.

to answer a set of questions to gather information or opinions.

to complete a written set of questions, especially for a survey or research.

to write necessary information on a voucher for a discount or offer.

to complete a list of names, typically for a team, class, or organization.