The term 'to such an extent' can be expressed in two ways: as 'insofar' (7 letters) and 'inasmuch' (8 letters). Both words are used to indicate a degree or extent to which something is true or valid. They are often used to emphasize the importance of a particular point or situation. Insofar and inasmuch are both adverbs that are used to express the idea that something is true to a certain degree or extent. They are often used to emphasize the importance of a particular point or situation.