1. Having knowledge of
   "The manager had full cognisance of the situation";
   - awareness, consciousness, cognizance, knowingness
    
2. Range of what one can know or understand
   "The issue was beyond his cognisance";
   - cognizance, ken
    
3. Range or scope of what is perceived
   "The manager took cognisance of all the factors affecting the project's timeline";
   - cognizance

Derived forms: cognisances

See also: aware, cognisant [Brit], cognizant, incognisant [Brit], incognizant, unaware

Type of: knowing, perception

Encyclopedia: Cognisance