ppl. a.
a. 1700. Evelyn, Diary, 25 March 1644. A skreene accurately cutt in topiary worke, with well understood Architecture.
1792. Burke, Sp. (1816), IV. 55. Without the guide and light of sound well-understood principles.
1845. G. Dodd, Brit. Manuf., IV. 101. She only followed a well-understood practice among her countrywomen.
1868. Gladstone, Juv. Mundi, iv. 113. Homer may seem, then, to designate, though not as by absolute and well-understood synonyms, but rather with a certain vagueness, substantially the same persons.