Depth of friendship does not depend on length of acquaintance.

I am acquainted with the custom.

It's a pleasure to make your acquaintance.

I have got acquainted with him since then.

I have an acquaintance with her.

I'm acquainted with Tom.

Yanni was sexting with female acquaintances.

It will be your job to acquaint the newcomer with the rules of the office.

We are acquainted with his family.

I'm well acquainted with Tom.