Always more to be said on this topic, but you may be interested in these older threads that ask the same question:

• If shakespeare invented thousands of words, how did people watching his plays have any idea what people were saying? and How did Shakespeare invent words in his plays? Did the audience understand the meanings of the words which he invented? featuring /u/Yst

• Shakespeare is credited for inventing many common words we use today. If he was the first one to use them (with no definitions or explanations for what they meant in the text) how did the common folk derive their meaning and use them so often that they're still a part of our vernacular today? featuring /u/texpeare