Sit on this

To hold a matter without acting, circulating or deciding on it for the time being, usually because more thought, information or timing is needed.

Example: Let's sit on this for now and see what comes out of the discussion on Thu.

Also known as: sit on it, let's sit on this, let us sit on this

Context: Depending on context, the phrase can also imply that something is being delayed or suppressed, so the intended next step or review point may need to be clear.