Related Clues:

• Doctor's imperative
• A father's turn for there to be no initial delay
• A backward father is initially soonest
• Right away initially with such a fool
• How like Father to turn up initially promptly
• A fool wastes no time in coming
• The way Father comes back without delay by 16 down
• BA or HR
• Now, in the ER
• Instanter
• "And make it snappy!"
• At-bats or runs, e.g
• Memo abbr
• "Posthaste!"
• Promptly, in a memo