"Association of idea" refers to the connecting of two or more ideas or concepts in one's mind. Synonyms for this phrase include mind association, mental correlation, thought connection, and cognitive association. These terms all encompass the process of linking different thoughts or notions together to create a new understanding or idea. Association of idea is a fundamental aspect of learning, memory, and creativity, as it allows one to make connections and draw conclusions from previously learned information. Whether in academic pursuits or daily life, the ability to make connections between ideas is essential in problem-solving and critical thinking.