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good; excellent; fine; nice; pleasant; agreeable
よし、この計画で行こうと全員が賛成の声を上げた。
Right, let's go with this plan - everyone voiced their agreement.
よし、ここまで来たら最後までやり遂げるしかない。
Alright, now that we've come this far, we have no choice but to see it through.
よし、今度こそ絶対に目標を達成してみせると誓った。
Alright, I swore that this time I would absolutely achieve my goal.