This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Guided by or in accordance with the dictates of conscience; principled: a conscientious decision to speak out about injustice.

adj. Thorough and assiduous: a conscientious worker; a conscientious effort to comply with the regulations.

adj. Thorough, careful, or vigilant; implies a desire to do a task well.

adj. 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.

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

Conscious.

Controlled by conscience; governed by a strict regard to the dictates of conscience, or by the known or supposed rules of right and wrong: as, a conscientious judgė.

Regulated by conscience; according to the dictates of conscience; springing from conscience: as, a conscientious scruple.

Synonyms and Scrupulous, exact, careful, faithful, upright, honest, honorable, righteous.

adj. guided by or in accordance with conscience or sense of right and wrong

adj. characterized by extreme care and great effort

"In fact, the origin of the term 'conscientious objector' comes from refusing vaccine - not from war."

careful   

abandoned    deceitful    dishonest    careless    unprincipled   

conscience   

conscientiously    conscientious objector    conscientiousness   

upright    just    scrupulous    faithful    exact    religious    strict    particular    careful    honorable   

contentious    pretentious    tendentious    unpretentious   

honest    diligent    sincere    zealous    sober    virtuous    disinterested    honorable    careful    patriotic