noun the right to enter.
— synonyms: entree, accession, admission, admittance
noun the right to obtain or make use of or take advantage of something (as services or membership).
noun a way of entering or leaving.
— synonyms: approach
noun a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.).
— synonyms: access_code
noun (computer science) the operation of reading or writing stored information.
— synonyms: memory_access