(transitive) To express (a unit of measure) in terms of another; to furnish a mathematical formula by which a quantity, expressed in the former unit, may be given in the latter.
(intransitive) To undergo a conversion of religion, faith or belief (see also sense 3).
(intransitive) To become converted.
(transitive, obsolete) To cause to turn; to turn.
(logic) To change (one proposition) into another, so that what was the subject of the first becomes the predicate of the second.
(transitive, obsolete) To turn into another language; to translate.
(transitive, cricket) To increase one's individual score, especially from 50 runs (a fifty) to 100 runs (a century), or from a century to a double or triple century.