godan verb (-ku), transitive verb
set aside; put aside; leave for now
Used to temporarily set something aside or postpone it, often with the implication that it will be dealt with later. Commonly appears in the phrase さておき (setting aside...).
その問題はさておいて、先に進みましょう。
Let's set that problem aside and move on.
冗談はさておき、本題に入ろう。
Joking aside, let's get to the main topic.