noun.
In pathology: A disposition to bear pain well.
noun.
The state of feeling well, especially when occurring in a diseased person. Also called eupathia.
the GNU version of the Collaborative International Dictionary of English
adjective.
a strong pleasant feeling of well-being or happiness; it is often caused by attainment of a desired goal or other incident of accomplishment, but may irrationally accompany a pathological manic state.