Synonyms of the word 
CONSCIENTIOUSNESS → CAREFULNESS - CONSCIENCE - PAINSTAKINGNESS
conscientiousness
- n. The state or characteristic of being conscientious.
carefulness
- n. The state of being careful.
conscience
- n. The moral sense of right and wrong, chiefly as it affects one's own behaviour.
- n. (chiefly fiction) A personification of the moral sense of right and wrong, usually in the form of a person,…
- n. (obsolete) Consciousness; thinking; awareness, especially self-awareness.
painstakingness
- n. The state or characteristic of being painstaking; the giving of careful attention to details.
If you are interested in words, visit the following sites :
- wiktionary.org/conscientiousness For complete definition of a word
- 1word.ws/conscientiousness to play with words, suffixs, prefixs, etc.