to think about somebody/something in a particular way

to look at somebody/something, especially in a particular way

attention to or thought and care for somebody/something

He held her in high regard.

I had great regard for his abilities.

Children no longer have proper regard for their parents and teachers.

used to send good wishes to somebody at the end of an email or letter, or when asking somebody to give your good wishes to another person who is not present

With best/kind regards, Yours…

Give your brother my regards when you see him.

LEARNit Dictionary