assuefaction

n. [ L. assuefacere to accustom to; assuetus (p. p. of assuescere to accustom to) + facere to make; cf. OF. assuefaction. ] The act of accustoming, or the state of being accustomed; habituation. [ Obs. ] [ 1913 Webster ]

Custom and studies efform the soul like wax, and by assuefaction introduce a nature. Jer. Taylor. [ 1913 Webster ]