To wit
Definition 1 of 1
Pro Tip 1/3Use Sparingly
To wit is quite formal and archaic, so use it sparingly in modern writing to avoid sounding out of touch. 
Our objectives are, to wit, improving sales and customer satisfaction.
Pro Tip 2/3Clarify Statements
Use 'to wit' to provide a clear example or explanation immediately after a general statement. 
Several fruits, to wit, apples and oranges, contain vitamin C.
Pro Tip 3/3Legal Documents
'To wit' is often found in legal documents to specify or clarify points, but may not be common elsewhere. 
The party of the first part, to wit, John Smith, agrees to the terms.