Traditionally

adv. [f. as prec. + -LY².] In a traditional manner; by, in the way of, or according to tradition.

1646.  Sir T. Browne, Pseud. Ep., I. viii. 30–1. There are many things concerning the nature of simples, traditionally delivered, and to which I beleeve he gave no assent himselfe. Ibid., VII. xviii. 381. Rome might well bee built in a day; if that were true which is traditionally related by Strabo.

1764.  Goldsm., Hist. Eng. in Lett. (1772), I. 211. The common law, which was traditionally delivered to them from their ancestors.

1859.  C. Barker, Assoc. Princ., ii. 37. In an age … when private revenge was traditionally, if not legally, sanctioned.

1901.  Athenæum, 10 Aug., 198/1. The … effigy … of the maid of Normanton who was traditionally eaten by earwigs.