together

Coherent; well organized.

“He's really together.”

At the same time, in the same place; in close association or proximity.

“We went to school together.”

Into one place; into a single thing; combined.

“He put all the parts together.”

In a relationship or partnership, for example a business relationship or a romantic partnership.

“Bob and Andy went into business together.  Jenny and Mark have been together since they went on holiday to Mexico.”

Without intermission or interruption; continuously; uninterruptedly.

“It has been raining four days together”