It's a verb that implies a process of judging the worth, quality, or significance of something.
Here are some examples:
* "Adhyapaka vilayiruthuka" (അധ്യാപക വിലയിരുത്തുക) - To evaluate teachers
* "Paddhathi vilayiruthuka" (പദ്ധതി വിലയിരുത്തുക) - To assess a project/plan
* "Prayanangal vilayiruthuka" (പ്രയോജനങ്ങൾ വിലയിരുത്തുക) - To evaluate the benefits
* "Samooha vilayiruthuka" (സമൂഹ വിലയിരുത്തുക) - To assess the community
The word "vilayiruthuka" can also be used in a broader sense to mean "to consider" or "to reflect upon."