The crossword solutions for the term 'Welcome Word' are 'ENTER' (5 letters) and 'YES' (3 letters). These two words are often used together as a greeting, with 'ENTER' being the invitation to come in and 'YES' being the response. This phrase is commonly used when someone arrives at a place, such as a home or business, to signify that they are welcome. It is also used in other contexts, such as when someone is entering a conversation or joining a group.