assume

/əˈsuːm/
verb
  1. To suppose something to be true without proof; to take for granted.
    • Don't assume everyone knows the rules; explain them clearly.
    • I assume you've already eaten lunch since it's past noon.
    • She assumed he was angry because he didn't reply, but he was just busy.
  2. To take on or begin to have a particular role, responsibility, or form.
    • The clouds assumed a dark, threatening shape before the storm.
    • He will assume the position of team captain next season.
    • The company assumed full responsibility for the accident.
  3. To take control or possession of something, often in a legal or official context.
    • The new government assumed power after the election.
    • The bank assumed the debt when the company was sold.
    • She assumed ownership of the house after her parents passed away.
  4. To pretend to have a particular feeling, quality, or appearance.
    • She assumed an air of confidence even though she was nervous.
    • The spy assumed a false identity to enter the building.
    • He assumed a look of surprise when he heard the news.
Antonyms
What does "assume" mean? | whatsthatwordmean | whatsthatwordmean