Other forms: requisites
A requisite is something that is required for a purpose. The requisite skills, a requisite for entry, lacking the requisite experience.
It works as adjective and noun, and the adjective is the commoner: the requisite number means the number that is required. It is a shade more formal than necessary and belongs to rules and regulations.
1nounrequisiteSomething that is required for a purpose.
“A good sense of humour is a requisite for working with young children.”
requisite is a requirement.
Latin requisitus is the past participle of requirere, to seek out, the source of require.
Latin
requīsītus
English, today
requisite
Built from
From Latin requīsītus, perfect passive participle of requīrō (“to require, seek, ask for”), from which English require.
Etymology from Wiktionary, CC BY-SA