Take to be true (6)
(Other definitions for accept that I've seen before include "Admit - gain" , "Take -- consent" , "Consider or hold as true" , "Recognise" , "Welcome" .)
(Other definitions for assume that I've seen before include "Take as read" , "Suppose - appropriate - feign - adopt" , "Take as true or take for granted" , "Take on, affect" , "Wrongly take" .)