- Acquainted - Alongside - Alongside each other - Are bats confused when alongside? - Arm in arm - Side by side - Side by side, with breasts in a line; as, "Two men could
hardly walk abreast."
- Familiarise - Fill in - Inform oneself - make familiar - Make familiar account? Charmingly old-fashioned! - Acquainted. - To furnish or give experimental knowledge of; to make
(one) to know; to make familiar; -- followed by with.