The discipline of "philology" is applied by historians when attempting to understand the true intentions behind words spoken in a particular historical time-frame and context, rather than wrongly assuming that word definitions found in a modern dictionary necessarily apply.
For example, "deism"...
Many in our current class of Congress are proponents of socialism. They point at our warped version of capitalism and say, “Capitalism doesn’t work! We must throw it out and do something different!” Of course, the system we have today is not a free market economy with a fair playing field...