まずもって

adverb

first of all; in the first place; to begin with

Used to emphasize that something is the most fundamental or primary point, often before stating a reason, condition, or important fact. Similar to まず, but stronger and more formal.

• まずもって、この問もん題だいを解かい決けつしなければならない。

  First of all, we must solve this problem.

• まずもって、彼かれの努ど力りょくを認みとめるべきだ。

  In the first place, we should acknowledge his efforts.