organization is on the Basic English 850 List.
order - organization - ornament

Word parts change

organize + -ation

Other spellings change

Pronunciation change

Noun change

Singular
organization

Plural
organizations

Organization is on the Academic Vocabulary List.
  1. (countable) An organization is a group of people with a particular purpose (e.g., teams, clubs, churches, etc.)
    The daycare is operated by a voluntary organization of parents and teachers.
    It is often difficult for women to join these organizations that have always been for men.
  2. (countable & uncountable) Organization is the way that something is put together.
    The organization of the book is very difficult to understand.
    The organization of the event took three months.

Synonyms change