initialidea

noun
UK /ɪˈnɪʃəl aɪˈdɪə/
US /ɪˈnɪʃəl aɪˈdiːə/

The first thought you have about something.

My initial idea was to build a treehouse, but then I changed my mind.


OTHER MEANINGS

2. The very first plan made before any changes.

The initial idea for the game was much simpler than the final version.

3. A quick thought that pops into your head before you think more.

Her initial idea was to run, but she decided to stay and help.

4. The starting point of a project or story.

The initial idea for the book came from a dream.