1. The way or manner in which , also the state or condition in which.
2. That.
3. However, as.

ETYM Old Eng. how, hou, hu, hwu, AS. hue, from the same root as hwâ, hwaet, who, what, pron. interrog.; akin to OS. hwôw, Dutch hoe, cf. German wie how, Goth. hwê wherewith, hwaiwa how. Related to Who, Why.
1. In what way or manner or by what means; ('however' is used as an intensive of 'how' as in); SYN. however.
2. To what extent or amount or degree.