conceptstage

noun
UK /ˈkɒnsept steɪdʒ/
US /ˈkɑːnsept steɪdʒ/

A conceptstage is the early step when you are still just thinking up an idea.

We are still at the conceptstage of our treehouse, so we are only drawing pictures of it.


OTHER MEANINGS

2. The point in a project when ideas are being tested but nothing is built yet.

The new game is at the conceptstage, so no one has played it.

3. A pretend or make-believe stage where ideas act out a story.

In drama class, the conceptstage is where we try out characters before the real play.

4. A place in your mind where you keep and grow new ideas.

Her notebook is her conceptstage for inventions.