If you're talking about a first encounter:
* Encountered
* Introduced to
* Made the acquaintance of
* Came across
* Run into
* Bumped into
If you're talking about a scheduled meeting:
* Attended
* Joined
* Assembled with
* Convened with
If you're talking about a specific point in time:
* Reached
* Arrived at
* Achieved
If you're talking about fulfilling a requirement:
* Satisfied
* Fulfilled
* Completed
If you're talking about a standard:
* Conformed to
* Complied with
* Reached
For a more general sense:
* Connected with
* Came together
Please provide more context if you need a more specific synonym.