The antonyms for "thinking too little of" are "valuing," "respecting," and "appreciating." These terms connote a positive regard toward someone or something, and imply an understanding of their worth or significance. When we value others, we recognize that they are important and worthy of attention, and when we respect them, we honor their rights and dignity. Similarly, when we appreciate something, we acknowledge its value and express gratitude for its presence in our lives. All of these words are essential for building healthy relationships, fostering mutual understanding, and promoting a culture of inclusion and respect.