also

[ awl-soh ]
/ ˈɔl soʊ /

adverb

in addition; too; besides; as well: He was thin, and he was also tall.
likewise; in the same manner: Since you're having another cup of coffee, I'll have one also.

conjunction

and: He was mean, also ugly.

Origin of also

1125–75; Middle English; Old English (e)alswā all (wholly or quite) so1; the meaning “wholly” thus implies replication and therefore “additionally, besides”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for also

also

/ (ˈɔːlsəʊ) /

adverb

(sentence modifier) in addition; as well; too

sentence connector

besides; moreover

Word Origin for also

Old English alswā; related to Old High German alsō, Old Frisian alsa; see all, so 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012