Influenced by conscience; governed by a strict regard to the dictates of conscience, or by the known or supposed rules of right and wrong; -- said of a person.

Characterized by a regard to conscience; conformed to the dictates of conscience; -- said of actions.

guided by or in accordance with conscience or sense of right and wrong; "a conscientious decision to speak out about injustice"

careful about doing things in a responsible way back

characterized by extreme care and great effort; "conscientious application to the work at hand"; "painstaking research"; "scrupulous attention to details"

Work on your spelling conscientiously and remember this word with [ch] spelled two different ways: "sc" and "ti".