Proverbially, It's the Best Policy
This page is the CodyCross answer for the clue below from Space Exploration, Group 913, Puzzle 2 (Hercules Cluster).
Question is: Proverbially, It's the Best Policy
and the answer is: HONESTY
Word Meaning:
HONESTY — (uncountable, countable) The act, quality, or condition of being honest.
Definitions from Wiktionary.