requisite
required or necessary
Roots
- quer / quis: seek, ask, question
- re-: back, again, or backward motion
Other words with the quer / quis root
- acquire: to gain or obtain
- acquisitive: eager to acquire things
- exquisite: finely made or intensely felt
- inquire: to ask or investigate
- inquiry: an investigation or question
- inquisitive: curious and eager to ask questions
- query: a question or request for information
- quest: a search or pursuit
Requisite is what the situation asks for.
A quiet room was requisite for the listening exam.
The word feels like a demand with a missing box to check.