Showing friendliness can be expressed in many ways, one of which is through smiling. Smiling is a five-letter word that can be used to show friendliness and can be done in a variety of ways. Smilingat is a seven-letter word that is similar to smiling, but it involves directing the SMILE at someone else. This is a more direct way of showing friendliness and can be used to make someone feel welcome or appreciated.