The two sentences that best combine the information presented are:
- Shakespeare had an enormous effect on the English language, as shown by the words he created and the use of his writing to support dictionary definitions.
- Shakespeare was often cited by the English dictionary published in 1755 due in part to his role in coining new words during a time of great change in the English language.
These sentences effectively synthesize the information from the sources, highlighting Shakespeare's influence on the language and his significant contributions recognized in historical dictionaries.