assume suppose, presume pretend Before hearing the evidence Andy assumed an air of against him, you assume his indifference whenever her innocence/him to be name was mentioned innocent/that he is innocent start to do a job, esp. an important one assume sth The new president usually assume sb. to be assumes his new assume that responsibilities in Januaryassume ◼ suppose, presume ◼ Before hearing the evidence against him, you assume his innocence/him to be innocent/that he is innocent. assume sth. assume sb. to be assume that… ◼ pretend ◼ Andy assumed an air of indifference whenever her name was mentioned. ◼ start to do a job, esp. an important one ◼ The new president usually assumes his new responsibilities in January