ADF Dedicant Path: Nine Virtues (Integrity)
Our Own Druidry defines integrity as,
Honor; being trustworthy to oneself and to others, involving oath-keeping, honesty, fairness, respect, self-confidence.
Merriam-Webster defines integrity as,
Firm adherence to a code of especially moral or artistic values.
Integrity to me is, at its core, about honesty to oneself. If one is honest to oneself, trustworthiness will follow by default. It is open to debate how much honesty involves telling literal truths at all times. The important thing is whether or not the self believes their choices to be fair and trustworthy. This is what being honest to oneself means. As for oath-keeping, I do not see it to be an inherently necessary attribute of integrity, although it often accompanies it.
Since honesty to oneself is the key to integrity, it follows that internal honesty can and should overrule an oath if a person deems their oath to contradict with their morals. This does not mean that if one breaks an oath that they will be free from repercussion. Oath keeping is an inherently internal and external affair. No amount of self-honesty can save one from the consequences of breaking an oath. Oath-making is serious business. But we are humans and prone to making bad decisions, including oaths, if even with the best of intentions at the time of making them. To have integrity relative to oaths is to make one and potentially break it while acting with self-honesty on both counts. In other words, to have integrity is to be willing to admit when we are wrong and to accept the consequences. Keeping an oath after one comes to believe it to be immoral in order to avoid the repercussions of breaking it is not an example of integrity.