Fetching details from the dictionary...

to look at again
to re-examine (policy, estimate, plan, etc.); to review
to get a better opinion of; to see in a more positive light
to improve; to recover (market, illness, etc.)
彼の努力を見直した。
I gained new respect for his effort.
問題点が明らかになり計画を一から見直す必要がある。
We need to review the plan from scratch.
答案を見直すと間違いに気づいた。
When I reviewed my answers, I noticed a mistake.