Yes, ChrisE, I knew that - about you having been a teacher - but because I always encouraged my children to find new words, learn new words, I wouldn't tell them that although the word was probably in the four dictionaries in our bookcase, it wasn't 'real', wasn't to be used in that sense. I might say, 'Years ago, in the 20th century, people [especially teachers and pedants] pointed out that it was wrong to use that word. 'Aggravate' then meant...'