D defs.my
Entry 2 senses Webster, 1913

Conscientious

/känˌ-shē-ĕn'-shəs/ · Con·sci·en·tious · IPA /ˌkɑnʃiˈɛnʃəs/
01 a. Influenced by conscience; governed by a strict regard to the dictates of conscience, or by the known or supposed rules of right and wrong; …
  1. 1.
    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.
    “The advice of wise and conscientious men.” Prescott.
  2. 2.
    Characterized by a regard to conscience; conformed to the dictates of conscience; -- said of actions.
    “A holy and conscientious course.” — Abp. Tillotson.