This is the 1842nd most frequent Japanese word.
揃っ
"揃っ" means "gathered," "aligned," or "complete."
揃う here is used to describe people gathering together at a place or aligning themselves for a common purpose.
集合写真を撮るために、みんなが揃って座りました。
Everyone sat together to take a group photo.
揃う here is used to indicate that items are organized or aligned properly in a specified location.
棚の上には、本が全て揃っています。
All the books are neatly aligned on the shelf.
揃える here (causative form) is used to describe the action of arranging or collecting items into order or readiness.