Otherwise

[uhth -er-wahyz] /ˈʌð ərˌwaɪz/

adverb
1.
under other circumstances:
Otherwise they may get broken.
2.
in another manner; differently:
Under the circumstances, I can’t believe otherwise.
3.
in other respects:
an otherwise happy life.
conjunction
4.
or else; if not:
Button up your overcoat, otherwise you’ll catch cold.
adjective
5.
other or different; of another nature or kind:
We hoped his behavior would be otherwise.
6.
in other or different circumstances:
An otherwise pleasure had become a grinding chore.
/ˈʌðəˌwaɪz/
sentence connector
1.
or else; if not, then: go home — otherwise your mother will worry
adverb
2.
differently: I wouldn’t have thought otherwise
3.
in other respects: an otherwise hopeless situation
adjective
4.
(predicative) of an unexpected nature; different: the facts are otherwise
pronoun
5.
something different in outcome: success or otherwise
adv.

contracted from Old English phrase on oðre wisan “in the other manner” (see other + wise (n.)), which in Middle English became oþre wise, and mid-14c. oþerwise. As an adjective from c.1400.