Answer:
The answer is Suit
Explanation:
Suit fits perfectly in all three sentences.
1. Finally, they have decided to file a civil SUIT against the corporationThe first hearing is due next week.
2. White doesn't SUIT meI prefer dark colors like brown and black.
3. If you asked me to arrive at 7, it would SUIT me fine.
Suit while having different meanings still fits in each sentence.
The first is used in legal terms, the other two is in terms of fitting and something being okay by someone.
