DIRECTIVE
directing, directional, directive, guiding
(adjective) 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”
directive
(noun) a pronouncement encouraging or banning some activity; “the boss loves to send us directives”
Source: WordNet® 3.1
Etymology 1
Noun
directive (plural directives)
An instruction or guideline that indicates how to perform an action or reach a goal.
(programming) A construct in source code that indicates how it should be processed but is not necessarily part of the program to be run.
An authoritative decision from an official body, which may or may not have binding force.
(European Union law) A form of legislative act addressed to the member states. The directive binds the member state to reach certain objectives in their national legislation.
The directive case.
Etymology 2
Adjective
directive (not comparable)
that directs; serving to direct, indicate, or guide.
(grammar) relating to the directive case
Source: Wiktionary
Di*rect"ive, a. Etym: [LL. directivus: cf. F. directif.]
1. Having power to direct; tending to direct, guide, or govern;
showing the way. Hooker.
The precepts directive of our practice in relation to God. Barrow.
2. Able to be directed; manageable. [Obs.]
Swords and bows Directive by the limbs. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition