adjective

1. Coherent; well organized.

   “He's really together.”

adverb

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

   “We went to school together.”

2. Into one place; into a single thing; combined.

   “He put all the parts together.”

3. 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.”

Synonyms: at the same time, concurrently, collectively, jointly