noun, noun or participle which takes 'suru', transitive verb
immediate decision; on-the-spot decision; snap decision
Refers to deciding something quickly, often without lengthy deliberation. Can be used as a noun or with する to mean 'to decide on the spot'.
彼はその場で即決した。
He made an on-the-spot decision.
即決で購入を決めた。
I decided to buy it right away.
noun, noun or participle which takes 'suru', transitive verb
summary judgment
Legal term for a judgment made without a full trial. Domain-specific use.
裁判所は即決で判決を下した。
The court issued a summary judgment.