truthfully

As a noun honesty

is honor, decency, propriety.

As an adverb truthfully is

in a truthful manner.

As adverbs the difference between candidly and truthfully

is that candidly is in a candid manner; frankly while truthfully is in a truthful manner.

As a noun truth

is the state or quality of being true to someone or something.

As a verb truth

is to assert as true; to declare, to speak truthfully.

As an adverb truthfully is

in a truthful manner.

Truthfully is a related term of squarely.

As adverbs the difference between truthfully and squarely

is that truthfully is (manner) in a truthful manner while squarely is in the shape of a square; at right angles.

Justly is a related term of truthfully.

As adverbs the difference between justly and truthfully

is that justly is in a just or fair manner; rightfully while truthfully is (manner) in a truthful manner.

Truthfully is a related term of forthrightly.

As adverbs the difference between truthfully and forthrightly

is that truthfully is (manner) in a truthful manner while forthrightly is in a forthright manner.

As adverbs the difference between truthfully and honourably

is that truthfully is in a truthful manner while honourably is in a honourable manner.

Truthfully is a related term of ethically.

As adverbs the difference between truthfully and ethically

is that truthfully is (manner) in a truthful manner while ethically is in an ethical manner.

Truthfully is a related term of legally.

As adverbs the difference between truthfully and legally

is that truthfully is (manner) in a truthful manner while legally is as permitted by law; not contrary to law.