so; thus: usually written parenthetically to denote that a word, phrase, passage, etc., that may appear strange or incorrect has been written intentionally or has been quoted verbatim: He signed his name as e. e. cummings (sic).
SIC
U.S. Government.
Standard Industrial Classification: a system used by the federal government to classify business activities for analytical and reporting purposes.
sic 1 (sĭk) adv. Thus; so. Used to indicate that a quoted passage, especially one containing an error or unconventional spelling, has been retained in its original form or written intentionally.
[Latin sīc; see so- in Indo-European roots.]
sic 2 also sick (sĭk) tr.v.
sicced also sicked, sic·cing also sick·ing, sics also sicks
To set upon; attack.
To urge or incite to hostile action; set: sicced the dogs on the intruders.
[sik] 
