She could fit herself into the role without much trouble.
"He seemed big enough to fit in the presidential chair without a couple of phone books under him."
We can fit your operation into our plans without any trouble.
It all seemed to fit together without any apparent effort.
Meanwhile he had fitted into their order of things without many problems.
It even fits back into the bag without a fight.
"Now go see how many suits you can get fitted without that help."
The girl's sandals, however, would never fit without a lot of work, and I didn't even try.
"Also, they can fit through the opening without further excavation."
My old shade had a deep neck that fitted inside the base without further support.