1. Put (an image) into focus
   "Please focalise the image; we cannot enjoy the movie";
   - focus, focalize, sharpen
    
2. Become focussed or come into focus
   "The light focalised";
   - focus, focalize
    
3. Bring into focus or alignment; to converge or cause to converge; of ideas or emotions
   "The team worked to focalise their efforts on the most pressing issues";
   - concenter [US], concentre [Brit, Cdn], focalize, focus [Brit]
    
4. Concentrate on a particular place or spot
   "The infection has focalised in the left eye";
   - localize, localise [Brit], focalize

Derived forms: focalised, focalising, focalises

See also: concentrate on

Type of: adapt, adjust, align, aline [non-standard], conform, correct, lie, line up, set

Antonym: blear [archaic], blur