Considerable

Full definition of considerable

Significant; worth considering.
I've spent a considerable amount of time on this.
Large in amount.

1913, Joseph C. Lincoln, Mr. Pratt's Patients Chapter 1, Then there came a reg'lar terror of a sou'wester same as you don't get one summer in a thousand, and blowed the shanty flat and ripped about half of the weir poles out of the sand. We spent consider'ble money getting 'em reset, and then a swordfish got into the pound and tore the nets all to slathers, right in the middle of the squiteague season.
1963, Margery Allingham, The China Governess Chapter 19, When Timothy and Julia hurried up the staircase to the bedroom floor, where a considerable commotion was taking place, Tim took Barry Leach with him. He had him gripped firmly by the arm, since he felt it was not safe to let him loose, and he had no immediate idea what to do with him.