permissive
Concise Oxford English Dictionary © 2008 Oxford University Press:
permissive/pəˈmɪsɪv/
▶adjective
- 1 allowing or characterized by freedom of behaviour.
- 2 Law allowed but not obligatory; optional.
■ denoting a path available for public use by the landowner's consent, not as a legal right of way.
– derivatives
permissively adverb,
permissiveness noun.
permissively adverb,
permissiveness noun.
'permissive' also found in these Oxford entries:

