Notion (noun)

  1. An idea or belief, especially a vague or incomplete one.
  2. A general understanding or impression of something.
  3. A concept or idea.

Origin:

Late middle english: from old french, from latin notio(n-), from noscere "know".

Examples:

  1. He had a notion to start his own business.
  2. She had a notion that she would like to travel the world.
  3. They had a notion that the project would be easy.
  4. We had a notion that the company would be successful.
  5. I had a notion that it was going to rain today.
Some random words: addict, deep-set, foreigner