〜はさておき

Meaning

Indicates setting a matter aside for the moment and moving to another topic. Often used as a lead-in when getting to the main point.

Examples

冗談はさておき、そろそろ本題に入りましょう。 Jokes aside, let us get down to the main topic.
結果はさておき、最後まで諦めなかった姿勢は立派だ。 Regardless of the result, not giving up until the end was admirable.
費用の問題はさておき、まず計画として実現可能か検討しよう。 Setting aside the cost issue, let us first examine whether it is feasible as a plan.