honesty

honesty /ˈɑːnəsti/ noun
honesty
/ˈɑːnəsti/
noun
Britannica Dictionary definition of HONESTY
[noncount]
: the quality of being fair and truthful : the quality of being honest

honesty is the best policy

— used to say that telling the truth is better than lying even when it is hard to do

in all honesty

— used to stress that a statement is true