Arriving is a term used to describe the process of coming to a destination. It can be used to describe people, objects, or ideas. The term 'reaching' is an 8-letter synonym for arriving, and it implies that the person or object is actively making progress towards their destination. 'Inbound' is a 7-letter synonym for arriving, and it implies that the person or object is coming from a different location. Lastly, 'INCOMING' is an 8-letter synonym for arriving, and it implies that the person or object is coming from an external source.