well-developed notion

noun phrase
UK /ˌwel dɪˈveləpt ˈnəʊʃən/
US /ˌwel dɪˈveləpt ˈnoʊʃən/

A clear idea that has grown strong and complete.

After weeks of research, she had a well-developed notion of how the machine worked.


OTHER MEANINGS

2. A plan or belief that has been thought about carefully and made detailed.

The team brought a well-developed notion of the new playground to the meeting.

3. An opinion that is based on much knowledge and experience.

His well-developed notion of fairness came from years of teaching.

4. A creative idea that has been improved and expanded over time.

The writer's well-developed notion for the story included characters, setting, and plot.