Priority
noun, する verb, の adjective
It was superior previously, so we need to go back there. That, amongst all the other things, is our highest priority.
ゆうせん
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
我が社は新しいベーコンフレーバーの開発を優先するべきだ。
We should put priority on developing a new flavor of bacon.