considerable

Etymology

From consider + -able.

adj

1. Significant; worth considering.
   I've spent a considerable amount of time on this.
2. Large in amount.
   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. 1913, Joseph C. Lincoln, chapter 1, in Mr. Pratt's Patients
   With the cutting out of the previous recovery times for electrification work, curtailment of station times and acceleration, considerable reductions have been made in the overall schedules. 1961 January, “The North-East London electrification of the Great Eastern Line”, in Trains Illustrated, page 18
   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. 1963, Margery Allingham, chapter 19, in The China Governess

noun

1. (obsolete) A thing to be considered, consideration.
   Statistes and Politicians, unto whom Ragione di Stato, is the first considerable, as though it were their businesse to deceive people, as a Maxime, do hold, that truth is to be concealed from them […] 1646, Thomas Browne, Pseudodoxia Epidemica, London: Edw. Dod & Nath. Ekins, published 1650, Book I, Chapter 3, p. 9