assume

US /əˈsuːm/
UK /əˈsuːm/
"assume" picture
1.

suppose to be the case, without proof

:
I assume you're coming to the party.
Let's not assume the worst.
2.

take on (a quality, form, or appearance)

:
The problem began to assume a new dimension.
He assumed a look of indifference.
3.

take responsibility for (an undertaking or task)

:
He will assume the role of team leader.
The new manager will assume control next month.