directional
1. [ adjective ] relating to or indicating directions in space
Examples:

"a directional microphone"

Related terms: omnidirectional direction
2. [ adjective ] relating to direction toward a (nonspatial) goal
Examples:

"he tried to explain the directional trends of modern science"

Related terms: management
3. [ adjective ] showing the way by conducting or leading; imposing direction on
Synonyms: directing guiding directive
Examples:

"felt his mother's directing arm around him" "the directional role of science on industrial progress"

Related terms: leading
Similar spelling:   direction
  directionality
  directionless
  directly
  direct_mail
  directive
  directing
  direct_mailer
  direct_tax
  directorate
  directivity
  direct_tide
  direct_loan
  director
  directed
  directory
  direct_trust
  direct_flight
  direct_action