notion

From Wiktionary
notion is on the Academic Word List.

Pronunciation[change]

Noun[change]

Singular
notion

Plural
notions

Notion is on the Academic Vocabulary List.
  1. (countable) A notion is an idea about something.
    The film questions the standard notions of right and wrong.
    We have to reject this strange notion that some languages are better than others.
    I made my way home each night with at least some notion of hope.