directional
adjective /dəˈrekʃənl/,  /daɪˈrekʃənl/
  /dəˈrekʃənl/,  /daɪˈrekʃənl/
- (specialist) producing or receiving signals, sound, etc. better in one particular direction
- a directional microphone/aerial
 
 - (specialist) connected with the direction in which something is moving
- directional stability
 
 - showing or influencing the latest trends in fashion
- a directional womenswear designer