### Clue: Get used to Bill meeting a client without hesitation (8)
### Answer: ACCUSTOM 
 ### Explanation: Definition: Get used to 
 AC(abbrev. for "account";a bill;a rendering of monies owed) **plus**(meeting) "customer"(who is called a client when it comes to professional services, including such by sex workers and lawyers) **minus**(without) "er"(an expression of hesitation).