List of 426 Sets of Synonyms - How they Differ - Total of 2307 Words - 194

SYNONYMS: immediately, instantly, forthwith, directly, promptly, presently.
These adverbs mean with little or no delay. They are arranged in approximate order of intensity.

Immediately and instantly imply no delay whatever, as between request and response. He replied immediately. He ducked instantly.
Forthwith, directly, and promptly . all stress readiness of response but with a brief interval to fulfillment of the action involved. Go to your room forthwith. I will be with you directly. He promptly sat down
Presently has the mere force of soon. He will see you presently.