Alternatively

[ɔːl'tɜːnətɪvlɪ] or [ɔl'tɝnətɪvli]

(adv.) in place of, or as an alternative to; 'Felix became a herpetologist instead'; 'alternatively we could buy a used car'.

Editor: Mamie--From WordNet

(adv.) In the manner of alternatives, or that admits the choice of one out of two things.

Edited by Lelia