whereby

process

Steps toward a result

• methodOrderly way of doing
• mechanismMeans by which something operates
• meansMethod or resources

arrangement · system · procedure · framework · protocol · methodology · pathway · channel · vehicle · mode

contract

Enforceable written agreement

• agreementShared position between parties
• provisionPreparatory supply or clause
• stipulationCondition in an agreement

covenant · statute · clause · regulation · ordinance · treaty · protocol · decree · mandate · charter

accordingly

In response to that

• thusIn this way
• thereforeFor that reason
• henceFor that reason

henceforth · thereafter · herewith · therewith · whereas · whence · consequently · subsequently · hereunto · thereunto

• old-fashioned wordsforsooth, hark, betwixt, hither, prithee
• Archaismsthee, thou, thy, thine, ye
• legalesehereinafter, hereof, hereto, heretofore, hereunder
• archaic adverbsanon, betimes, ere, erstwhile, forsooth
• archaic Englishthou, thee, thy, thine, ye
• archaic wordsthee, thou, thy, thine, tis