Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. stător, ōris, m. [sto], a magistrate’s attendant, servant, messenger, orderly-man (since Augustus there were centuriae statorum Augusti): statores mittere, Cic. Fam. 2, 19, 2; Planc. ib. 10, 21, 2; Dig. 4, 6, 10; 1, 16, 4; Inscr. Orell. 2780; 3422; 3524; cf. Kellerm. Vigil. App. 40; 199 sq.; Jahn, Spec. Epigr. p. 28, n. 1; p. 49.
2. Stător, ōris, m. [sisto], one who causes any thing to stand fast, a stayer, supporter, an epithet of Jupiter, Liv. 1, 12, 6; Cic. Cat. 1, 5, 11; 1, 13, 31; id. Fin. 3, 20, 66; Sen. Ben. 4, 7, 1; Ov. F. 6, 793; Vell. 2, 131.
Plur., Plin. 2, 53, 54, § 140.
Also, of Mars, Vell. 2, 131, 1.