Grates, Numero tautum plurali, & in hac tantum terminatione, pro gratijs quæ referri debent pro accepto beneficio. Virg.Thankes.Grates tibi ago summe sol.Cic.I thanke thee.Grates habebant velut præsenti deo. Curt. Meritas grates agere alicui. Oui. To giue due thankes.Decernuntur grates deis.Tacit.To appoint generall processions, or like waies of thankesgining to God.Exoluere sæuas grates.Stat.To comfort or pleasure one in great aduersitie that hath likewise done to vs before.Pendere dignas grates.Stat.Persoluere grates.Virg.Rependere grates. Sta.
Lewis and Short: Latin dictionary
grātes (usually only in the nom. and acc. plur.; in the abl. gratibus, Tac. A. 12, 37), f. [gratus], thanks rendered (esp. to the gods: gratias agere being the usual form to human beings), thanksgiving: ut Ephesiae Dianae lauta laudes Gratesque agam, Plaut. Mil. 2, 5, 2: diis laudes gratesque agunt, Liv. 7, 36, 7; 26, 48, 3; cf. in the following the passages, Tac. A. 1, 69 and 12, 37: vobis (dis) grates ago atque habeo, Plaut. Pers. 5, 1, 4: grates deis immortalibus agere habereque, Liv. 23, 11, 12 Weissenb. ad loc.; cf. 23, 12, 7: dis populoque Romano grates agunt, id. 10, 25, 5; 45, 39, 12: grates tibi ago, summe Sol, vobisque, reliqui caelites, Cic. Rep. 6, 9: grates dis agere, Liv. 5, 23, 3; 30, 17, 6; Tac. A. 13, 41; cf. also: nec esse, qui diis grates agendas censeant, Liv. 30, 21, 9: salsipotenti et multipotenti Jovis fratri ... laudes ago et grates gratiasque habeo, Plaut. Trin. 4, 1, 2: laudes et grates reversis legionibus habens, Tac. A. 1, 69; cf.: Agrippinam iisdem quibus principem laudibus gratibusque venerati sunt, id. ib. 12, 37: vobis, o fidissime civium atque amicorum, grates ago habeoque, Curt. 9, 6, 17: dexteram ejus amplexi grates habebant velut praesenti deo, Curt. 3, 16, 17; Tac. A. 1, 69 Draeger ad loc.: Tiberius egit grates benevolentiae patrum, id. ib. 6, 2: o decus Italiae, virgo, quas dicere grates Quasve referre parem?Verg. A. 11, 508: grates persolvere dignas Non opis est nostrae, Dido, id. ib. 1, 600: grates rependere, Stat. S. 3, 3, 155: quibus pro bene factis fateor deberi tibi Et libertatem et multas grates gratias (cf. above: grates gratiasque), Plaut. Poen. 1, 1, 6.—Sarcastically: at tibi pro scelere, exclamat, pro talibus ausis, Di .. Persolvant grates dignas et praemia reddant Debita!Verg. A. 2, 537.