Meaning : Despite anything to the contrary (usually preceding a concession).
Example :
Although I'm a little afraid, however I'd like to try it.
While we disliked each other, nevertheless we agreed.
He was a stern yet fair master.
Granted that it is dangerous, all the same I still want to go.
Synonyms : all the same, at the same time, even so, nevertheless, nonetheless, notwithstanding, still, withal, yet
Meaning : By contrast. On the other hand.
Example :
The first part was easy; the second, however, took hours.
Meaning : To whatever degree or extent.
Example :
The results, however general, are important.
They have begun, however reluctantly, to acknowledge the legitimacy of some of the opposition's concerns.
Meaning : In whatever way or manner.
Example :
Victory, however it was brought about, was sweet.
However he did it, it was very clever.