The term 'SUITCASE ID' can be solved by the 7-letter word 'NAMETAG'. A nametag is a small tag or label that is typically worn on the clothing of a person, usually on the chest or lapel. It is used to identify the wearer and often includes their name, title, or other information. Nametags are commonly used in business settings, such as conferences, conventions, and trade shows, as well as in social settings, such as parties and family gatherings.