The preceder led the way for the rest of the group.

There are many precedents for this decision.

There are no precedents for this situation.

There are many precedences in this field of study.

This is an unprecedented event.

This decision has set a precedent for future cases.

The precedencies of the different departments were clearly defined.

The precedency of the task was determined by its importance.

The lawyer is precedenting the case to establish a legal basis.

I had met him precedently, so I knew what to expect.