To be sufficient or serve the purpose; to be enough for what is needed (i.e., the matter is settled).
急ぎの用事だから、この簡単なメモで事足りるだろう。
Since it's a quick matter, this simple note should suffice.
完璧である必要はない。ひとまず事足りる方法を選ぼう。
It doesn't have to be perfect. For now, let's choose the method that will do.
予算が限られているので、とりあえず古い機器で事足りる。
With the limited budget, the old equipment will do for the time being.