Nth word is N letters long

"I do not know where family doctors acquired illegibly perplexing
handwriting nevertheless, extraordinary pharmaceutical intellectuality
counterbalancing indecipherability, transcendentalizes intercommunications 

incomprehensibleness".

This is a sentence where the Nth word is N letters long. 

e.g. 3rd word is 3 letters long, 8th word is 8 letters long and so on.