All Smiles is an idiom used to describe someone who is in a very good mood and is showing it through their facial expressions. The crossword solutions for this term are HAPPY (5 letters), CHEERY (6 letters), RADIANT (7 letters), GLAD (4 letters), RIANT (5 letters), and LIKENIOBE (9 letters). All of these words can be used to describe someone who is in a cheerful and content state, with HAPPY being the most common. CHEERY and GLAD are also often used to describe someone in a good mood, while RADIANT and RIANT are more intense words that suggest a person is glowing with joy. LIKENIOBE is a less common word, but it is still used to describe someone who is in a very good mood.