keep posted

1. Supply with up-to-date information, as in Keep me posted about your new job. This usage alludes to the accounting practice of posting the latest figures in a ledger. [Early 1800s]

Related Words

• advise 
• announce 
• confess 
• declare 
• disclose 
• explain 
• express 
• inform 
• instruct 
• mention 
• notify 
• order 
• report 
• reveal 
• say 
• speak 
• state 
• summon