speedily
adv. manneradv. in a fast or quick way. You use this to describe how quickly someone does something or how fast something happens.
adv. in a rapid or expeditious manner. Often used in formal or legal contexts to describe the prompt completion of a task.
The police responded speedily to the emergency call.
The manager promised to resolve the billing error speedily to ensure the customer remained satisfied.
While the initial phase of the project was slow, the team worked speedily to finalize the remaining deliverables before the deadline.
From Middle English spedily, spedili, from Old English *spēdiġlīċe, ġespēdiġlīċe (“prosperously”), equivalent to speedy + -ly. Cognate with Scots spedely, spedelie (“quickly, speedily”). Compare also Old English spēdlīċe (“effectually, effectively, successfully, efficaciously, powerfully, in a manner which produces a result”).