What does that word ‘meaningful’ mean? It is a word used to describe when a person does something that means a lot to another person. For example, when we call our friends on their birthdays to wish them a happy celebration; that is a meaningful act. The suffix –ful can also be added to other words to give them different meanings. Read the sentences aloud to your kids and help them check off the correct suffix to add to the word that makes it fit in the blank.