Although, conj.
Etymology: [All + though; OE. al thagh.]
Grant all this; be it that; supposing that; notwithstanding; though. Although all shall be offended, yet will no I. Mark xiv. 29.
Syn. -- Although, Though. Although, which originally was perhaps more emphatic than though, is now interchangeable with it in the sense given above. Euphonic consideration determines the choice.
Shades of meaning
Fernald has no entry of its own for although; he lists it under notwithstanding.
He lists it without comment; the entries above explain its neighbors.
Antonyms
none given