to think or accept that something is true but without having proof of it
assume (that)… It is reasonable to assume (that) the economy will continue to improve.
It's probably safe to assume (that) we'll be hearing more about this story.
Let us assume for a moment that the plan succeeds.
She would, he assumed, be home at the usual time.
it is assumed (that)… It is generally assumed that stress is caused by too much work.
assume something Don't always assume the worst (= that something bad has happened).
In this example we have assumed a unit price of $10.
assume somebody/something to be/have something I had assumed him to be a Belgian.
to take or begin to have power or responsibility
Rebel forces have assumed control of the capital.
The court assumed responsibility for the girl's welfare.
Goodman will assume the role of president.
Lynch assumed office in April.
to begin to have a particular quality or appearance
This matter has assumed considerable importance.
In the story the god assumes the form of an eagle.
to pretend to have a particular feeling or quality
He assumed an air of concern.
He had assumed a stage Southern accent.