Johnson uses the word to assert his love and respect for published writing.
Explanation:
From the question given, the statements that best describes Johnson's treatment of the underlined word from the Excerpts of Samuel Johnson's preface is, he made use of the word to declare also maintain his approval and respect towards published writing.
It's a system a letters that can be understood using touch. It is made for those with weak vision. This system can help blind people with understanding things from an elevator floor to a story book!