0 the fact of believing something is true without any proof or something that you believe to be true without any proof: --
1 an idea that something may be true, although it is not certain: --
[ + that clause ] The investment was based on the supposition that there was adequate demand for a new modern office building.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.