Did you maybe mean one of these? forestry, forgery, forgetter, forgetting
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“Some people delight in a good memory -- I delight in a good forgettory of the past, with its telltale milestones of birthdays and anniversaries of marriages, deaths and divorces.”
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bilby Indeed. Studies show that regular practice can improve your forgettory by up to 50 per cent. Jul 20, 2009
plutoman The opposite of memory. Jul 20, 2009