Question: what do you say to a new coworker?
Answer: Ask questions. ... 
Introduce yourself. ... 
Leave a note. ... 
Give your new coworker a tour. ... 
Loop your new coworker in. ... 
Say “Thank you” ... 
Ask about something in your new coworker's office or cube. ... 
Compliment your new coworker on something (other than their appearance)