necessarystage

noun
UK /ˈnɛsəsəri steɪdʒ/
US /ˈnɛsəˌsɛri steɪdʒ/

A necessary stage is a step you must do to get something done.

Learning the alphabet is a necessary stage before you can read books.


OTHER MEANINGS

2. A point in a process that cannot be skipped.

Practice is a necessary stage in learning to play the piano.

3. A required part of a plan or journey.

Passing the test is a necessary stage on the way to getting your license.

4. A step that must happen before the next one.

The caterpillar's cocoon is a necessary stage before it becomes a butterfly.