Synonyms for Regulation (same or very similar meaning)
WordNet sense 1 (an authoritative rule):
ordinance
WordNet sense 2 (a principle or condition that customarily governs behavior):
rule
WordNet sense 3 (the act of bringing to uniformity; making regular):
regularization, regularisation
WordNet sense 4 (the act of controlling or directing according to rule):
regulating
From the ODE community, based on WordNet
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