painstaking

huolellinen careful Carefully attentive to details; diligent in performing a process or procedure.
Harris

All these painstaking men, considered together, may be said to have completed another species of criticism.

I esteeme Bocace his Decameron, Rabelais, and the kisses of John the second (if they may be placed under this title) worth the paines-taking to reade them.

It is not by a flight of imagination that you gain the ascents of spiritual experience. It is by the toils and the watchings and the painstakings of a solid obedience.

Behold what an abundant recompense attends the small processes of the earth, with the help of a little warm air; and what wealthy returns the industry of the husbandman and the florist is preparing from a few seeds and painstakings.