Definitions:

1. prescribed by or according to regulation adjective
   • regulation army equipment
2. the ability of an early embryo to continue normal development after its structure has been somehow damaged or altered noun
   • The infection within the womb almost killed the embryo, but regulation ensured it continued uneffected.
3. the act of controlling or directing according to rule noun
   • fiscal regulations are in the hands of politicians

Synonyms:

• ordinance
• regularization
• regulating
• rule