When it comes to expressing admiration and high regard for someone, "think the world of" is a commonly used phrase. However, sometimes using different words can help to convey the same sentiment in a new and refreshing way. Some synonyms that can be used instead of "think the world of" include: hold in high esteem, hold in great respect, regard highly, have a high opinion of, value highly, appreciate deeply, cherish, treasure, and adore. Using these words can help to show someone just how much they mean to you and express your admiration in a more unique and meaningful way.