Lewis Short
assentor (ads-; v. assentior
* Init.), ātus, 1, v. freq. [irreg. for adsensor, from assentior], lit., to join one in judgment or opinion (opp. adversor); hence, always to assent, to agree with one in every thing, to flatter (in the class. per. only in prose); with dat.: Etiam tu quoque adsentaris huice?Plaut. Am. 2, 2, 70; cf. assentatrix: (callidus adulator) etiam adversando saepe adsentetur et litigare se simulans blandiatur, etc.,Cic. Lael. 26, 99; Vell. 2, 48: tibi adsentabor,Plaut. Most. 1, 3, 89: Negat quis? nego: ait? aio. Postremo imperavi egomet mihi, Omnia adsentari,Ter. Eun. 2, 2, 22; so id. Ad. 2, 4, 6; 5, 9, 31; id. Eun. 3, 2, 37: ita fuit, ut is adsentatoribus patefaciat aures suas maxime, qui ipse sibi adsentetur et se maxime delectet,Cic. Lael. 26, 97: ut nihil nobis adsentati esse videamur,id. Ac. 2, 14, 45: quia mihi ipse adsentor fortasse,id. Fam. 3, 11: Baiae tibi assentantur, flatters you, i. e. endeavors to ingratiate itself into your favor by its sanative powers, id. ib. 9, 12: adsentante majore convivarum parte,Just. 12, 6: cui ergo consilio adsentabimur?Tert. Exhort. ad Cast. 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary