In a manner showing or involving gradation; by progressive degrees (rare, largely archaic variant).
A doubly-suffixed form combining 'gradation' + '-ate' + '-ly', creating an archaic or scholarly intensification of 'gradationally'.
This word is so rare it's almost extinct, yet it perfectly captures something real: there's a difference between 'gradually' (just 'slowly') and 'gradationately' (through distinct, observable steps).
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