My 'estimation' of his films was never very high. [=I never thought his films were very good]
My 'estimation' [=(more commonly) 'estimate'] of the amount of materials we needed was wrong.
She went down 'in her supporters' estimation' after she voted against the plan.
(..) MAN: He's here! Lord Aethelwulf! SOLDIER: There he is! Prince Aethelwulf! (ALL CHEERING) What's your estimation of their strength? Honestly. Who can tell? Between three or four thousand. That's what it looked like to me. We've never seen anything (..)2017 TvShow: Vikings Title: On the Eve Season: 4 Episode 19