Gelatinizing the problem

Working on a paper today, my partner Barbara found that Microsoft Word objected to her use of the word relativizing as nonexistent or misspelled, and suggested firmly that she should change it to the most plausible nearly similar word: gelatinizing. But she is wise to the extraordinarily bad advice Word gives on spelling and grammar, and firmly resisted what could have been one of the worst cupertinos in the history of philosophy.