accustomest

Verb

accustom (third-person singular simple present accustoms, present participle accustoming, simple past and past participle accustomed)

1. (transitive, often passive voice or reflexive) To make familiar by use; to cause to accept; to habituate, familiarize, or inure.
   • Early exposure to pet allergens and pet-related bacteria accustoms the body to allergens.
2. (intransitive, obsolete) To be wont.
   • all of them accustoming , once in the year , to take their kind of the fresh water1609, Richard Carew, The Survey of Cornwall, London: […] S[imon] S[tafford] for Iohn Iaggard, […], →OCLC
3. (intransitive, obsolete) To cohabit.
   • Much better do we Britans fulfill the work of Nature than you Romans; we with the beſt men accuſtom op'nly; you with the baſest commit private adulteries.1670, John Milton, “The Second Book”, in The History of Britain, that Part Especially now Call’d England. […], London: […] J[ohn] M[acock] for James Allestry, […] , →OCLC, page 83

See all 4 meanings of accustom