They went to the movies together.
Get Together with merriment
I put the puzzle together. Together, we voiced our complaints to the principal.
stick together
You would not use 'reason out' as a phrase in a sentence, the juxtaposition of those to words together is not good English.
It was simply kismet; they were meant to be together.
It was simply kismet; we were meant to be together.
The band and the orchestra played together.
Intertwine those cords together.
They huddled together in the freezing cold.
"Apples and oranges taste good apart and also together."
You guys are too funny! Guys and gals get together and party together.
Example sentence - The team had to learn to pull together in order to play the game and win.