well-authenticatedadj.
/ˌwɛlɔːˈθɛntᵻkeɪtᵻd/, U.S. /ˌwɛləˈθɛn(t)əˌkeɪdᵻd/, /ˌwɛlɔˈθɛn(t)əˌkeɪdᵻd/, /ˌwɛlɑˈθɛn(t)əˌkeɪdᵻd/ Properly verified; supported by authoritative evidence; recorded in reliable sources.
ΘΚΠ
the mind > attention and judgement > testing > attestation, witness, evidence > [adjective] > supported by evidence > firmly
ygroundedc1369
well-recordeda1393
substantialc1449
grounded1548
solid1615
well-attested1652
well-authenticated1761
1761 Gentleman's Mag. Dec. 557/1 Yet so speaks report, and well authenticated report.
1786 R. Polwhele in tr. Theocritus Idyllia Notes 409/2 Amidst the Legends of Superstition, it is in vain we search for well-authenticated Truths.
1819 W. Irving Spectre Bridegroom in Sketch Bk. iv. 331 Events of the kind are extremely common in Germany, as many well authenticated histories bear witness.
1879 J. Lubbock Sci. Lect. v. 167 I have endeavoured to select only those arguments which rest on well-authenticated facts.
1902 D. H. Campbell Univ. Text-bk. Bot. v. 122 In one species of Chara, C. crinita, the oöspores are developed without fertilization—one of the few well-authenticated cases of parthenogenesis.
1951 E. Paul Springtime in Paris (U.K. ed.) iv. 87 I have not been able to find one well-authenticated case of a Magdalen of Paris who has..settled down to habits of legitimate work.
2008 Times (Nexis) 2 Feb. 74 A well authenticated story of three leading ornithologists looking at a small bird high in a treetop.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adj.1761