If you accidentally misspelled "smilin", fret not! Here are some suggested correct alternatives: "smiling", "smiley" or "smilin'". Remember, "smiling" is the standard spelling and conveys a joyful expression. "Smiley" could refer to the popular emoticon :) or someone who exudes positive vibes. Lastly, "smilin'" is an informal variant of "smiling".