Whereby

Etymology
From where: + by:.

Adverb

 * 1)  By what, in which direction; how
 * 2) By which.
 * 3) * 1990, Local management of schools, Kogan Page Ltd:
 * Other heads saw devolution as a whole new way of life and adopted an approach whereby the power of devolution was used to enable the school to drive the curriculum.
 * 1)  Where.
 * 2) * 1992, The hotel receptionist, Paige, Jane and Paige, Grace, Cassell Educational:
 * This is an electronic system whereby executives are issued with small bleepers.