Englishfor English speakers
airworthiness
—
noun
fitness to fly
the plane received a certificate of airworthiness
directive
—
noun
a pronouncement encouraging or banning some activity
the boss loves to send us directives
—
adjective
(= directing, directional)
showing the way by conducting or leading; imposing direction on
felt his mother's directing arm around him
the directional role of science on industrial progress