assume
verb
əˈsjuːm 
əˈsuːm 
1 to think or accept that something is true but without having proof of itassume (that)… It is reasonable to assume (that) the economy will continue to improve.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.2 assume something (formal) to take or begin to have power or responsibilitySynonym
takeThe court assumed responsibility for the girl's welfare.Rebel forces have assumed control of the capital.3 assume something (formal) to begin to have a particular quality or appearanceSynonym
take onThis matter has assumed considerable importance.In the story the god assumes the form of an eagle.4 assume something (formal) to pretend to have a particular feeling or qualitySynonym
put onHe assumed an air of concern.