A person devoted to studying and producing results in philosophy. (noun)
Examples of word philosopher
As to the term philosopher's stone, he alleged that it was a mere figure, to deceive the vulgar.
We have loitered long with Yehuda Halevi, and still not long enough, for we have not yet spoken of his claims to the title philosopher, won for him by his book _Al-Chazari_.
But I do believe that he will be the personification of what I call the philosopher king.
If they are, they possess a virtue which produces, in some measure at all events, all those effects which the alchemist usually ascribes to what he calls the philosopher's stone; and if their content does not bring riches, it banishes the desire for them.
And this is what they call a philosopher in France!