regulatory (adj.)
- ascendant
- boss
- chief
- commanding
- controlling
- directing
- directive
- directory
- dominant
- general
- governing
- guiding
- head
- leading
- managerial
- master
- paramount
- predominant
- predominate
- preponderant
- prevalent
- regnant
- regulating
- regulative
- reigning
- ruling
- sovereign
- supreme