Raise a glass to is an expression used to celebrate a special occasion or to honor someone. Toasting is the act of raising a glass and making a short speech in honor of the person or event being celebrated. The term 'TOAST' is derived from the Latin word 'tostum, ' which means 'to burn or scorch.' Toasting is a traditional way to show respect and appreciation for someone or something, and it is often accompanied by a clinking of glasses.