Both Uses of

instigate
in
Ulysses, by James Joyce

At Stephen's suggestion, at Bloom's instigation both, first Stephen, then Bloom, in penumbra urinated, their sides contiguous, their organs of micturition reciprocally rendered invisible by manual circumposition, their gazes, first Bloom's, then Stephen's, elevated to the projected luminous and semiluminous shadow.†
Chpt 17 *

instigation = the act or process of starting something or causing it to happen

Loyal to the highest constituted power in the land, actuated by an innate love of rectitude his aims would be the strict maintenance of public order, the repression of many abuses though not of all simultaneously (every measure of reform or retrenchment being a preliminary solution to be contained by fluxion in the final solution), the upholding of the letter of the law (common, statute and law merchant) against all traversers in covin and trespassers acting in contravention of bylaws and regulations, all resuscitators (by trespass and petty larceny of kindlings) of venville rights, obsolete by desuetude, all orotund instigators of international persecution, all perpetuators of international†
Chpt 17

Definition:

start or set into motion -- typically some kind of conflict