Formal:
* Good morning/afternoon/evening: A classic and polite greeting.
* Hello, [name]. This is a simple and respectful way to address him.
* How do you do? A more formal greeting, often used in business settings.
Informal:
* Hi, [name]. A friendly and casual greeting.
* Hey, [name]. A more relaxed greeting, appropriate for friends and acquaintances.
* What's up? A casual greeting that can be used with friends.
Other Options:
* Good to see you. This is a warm and friendly greeting.
* It's nice to meet you. This is a polite greeting for someone you are meeting for the first time.
Remember:
* Consider your relationship: Use a more formal greeting for someone you don't know well, and a more informal greeting for someone you are close with.
* Pay attention to the situation: A formal greeting is appropriate in a business meeting, while a casual greeting is more appropriate at a party.
* Be polite and respectful: Always use a greeting that is appropriate for the situation.
Ultimately, the best way to say hello to a man is to be genuine and friendly.