The adverb however implies slight opposition, and displays a second consideration to be compared with the first: We are going; however (“notice this also”), we shall return. But marks a more marked opposition or contrast, though in a casual way: We are going, but we shall return. Nevertheless implies a concession, something which should not be forgotten in making a summing up: We are going; nevertheless (“do not forget that”), we shall return.
in any way. in either way. under any circumstances. in whatever way. be that as it may. in one way or another. whatever. “This is happiness to be freed from all, if it may, however from the greatest evils.”. Adverb.
Another way to say However? Synonyms for However (other words and phrases for However).
List of Synonyms for However. Learn useful list of 42 synonyms for however in English. All the same. Although. And yet. Anyhow. Anyway. At any rate. At the same time.
This is how to use however in formal writing, such as business correspondence, emails etc. However has a similar meaning to nevertheless or despite this. However contrasts a sentence against the preceding sentence. However often begins a sentence. It is followed by a comma. We do not use however to join two sentences.
None of the other uses of however, which are relatively rare, requires a comma: The other adverbial uses are as a synonym for “to whatever degree (or extent),” as in “I have been aware of that for however many years,” and as an intensifier equivalent to the expression “how in the world,” as in “However did you know I was going to say that?” The other use of however is as a conjunction. It can be a synonym for “no matter how,” as in “My point, however you look at it, is ...
The most common way of using ‘however’ is to mean ‘but’. This usually comes at the beginning of a sentence, and is followed by a comma. The calendar claimed the month was May. However, the temperature felt more like November. For this use, it’s also correct to put it in the middle of the sentence, with commas either side. It was May. It was, however, very nippy.
However (see what I did there?) these alternatives do not express exactly the same thing. Rather than pedantic proscriptive grammar, isn't it better to use the words we need, as they are widely understood, to express our thoughts as clearly as possible.