Polycrates
biographical name
Po·lyc·ra·tes pə-ˈli-krə-ˌtēz 
died circa 522 b.c. tyrant of Samos
- in the abstract
- in the act
- in the act (of doing something)
- in the act of doing something
- in the affirmative
- in the aggregate
- in the air
- in the altogether
- in the area of
- in the arms of
- in the ascendant
- in the back of one's mind
- in the background
- in the bag
- in the balance
- in the ballpark
- in the bargain
- in the beginning
- in the belief that
- in the best light
- in the black
- in the blink of an eye
- in the bud
- in the buff
- in the business of