explain

/ɪkˈspleɪn/
verb
  1. To make something clear or easy to understand by describing or giving information about it.
    • Can you explain how this machine works?
    • The teacher explained the math problem step by step.
    • She explained her reasons for leaving the job.
  2. To give a reason for or justify something.
    • He couldn't explain why he was late.
    • The scientist explained the unusual weather patterns.
    • She explained her absence by saying she was sick.