contestātĭo (noun F) : contestor.
* A jurid. t. t., an attesting, proving by witness, testimony: suprema testamenti,Dig. 28, 1, 20, § 8; cf.: verbum (testamentum) compositum a mentis contestatione,Gell. 6, 12, 2: litis, a formal entering of a suit in law, by calling witnesses, Gai inst. 3, 180 sq.; Dig. 3, 3, 40, § 3; 24, 3, 22, § 5; Cod. Just. 3, 9: de litis contestatione.
* Out of the circle of judicial proceedings, attestation, conclusive proof: in tam miserā atque maestā publicae injuriae contestatione,Gell. 10, 3, 4.—*
* An earnest entreaty: petivit tamen a me pater maximā contestatione, ut, etc., * Cic. Corn. 1 Fragm. 5 B. and K.

s. TLL