Definitions

1. adverb

in the manner in which; to the extent that

“This new policy has been implemented whereby employees have more flexibility in their work schedules.”

2. noun

a means or instrument by which something is done or accomplished

“The new technology was developed whereby robots could perform complex tasks.”

3. conjunction

in such a manner that; in order that

“He was appointed whereby he could oversee the entire project.”

4. preposition

through which means; by which means

“The new deal was reached whereby the two companies would merge.”