This module provides a lot of words for you to express from the very
trustful to the totally erroneous;

TRUE
These words can be used to refer to a true value:

verifiable trusty accurate actual appropriate authentic authoritative
correct dependable direct exact factual fitting genuine honest
indubitable kosher lawful legal legitimate natural normal perfect
precise proper pure regular right rightful sincere straight trustworthy
truthful typical undeniable undesigning undoubted unerring unfaked
unfeigned unquestionable veracious veridical veritable wash