Optional Meaning in Bengali

What is the meaning of word Optional in Bengali/Bangla ?

Defenition of word Optional

• available to be chosen but not obligatory.

Example

a wide range of optional excursions is offered

Other Meaning of Optional

• ADJECTIVE

  ঐচ্ছিক optional elective volitional facultative
  স্বেচ্ছামূলক optional facultative

• MORE

  বাধ্যতামূলক নয় এমন optional