alleviate
Concise Oxford English Dictionary © 2008 Oxford University Press:
alleviate /əˈliːvɪeɪt/
▶verb make (pain or difficulty) less severe.
– derivatives
alleviation noun,
alleviative adjective,
alleviator noun.
alleviation noun,
alleviative adjective,
alleviator noun.
– origin ME: from late L. alleviat-, alleviare ‘lighten’, from L. allevare, from ad- ‘to’ + levare ‘raise’, influenced by levis ‘light’.
'alleviate' also found in these Oxford entries:

