Select one word substitution for the given words: The art of delaying -

• Procrastination - (noun) 
- The art of delaying.
- কালক্ষেপণ; দীর্ঘসূত্রতা।

- অন্যান্য অপশনগুলো হলো -
• Referendum - The practice of submitting a proposal to popular vote.
• Sericulture - The production of raw silk.
• Speleology - Study of caves.
 
Source: Website Lecture, English & Bengali Online Dictionary & Grammar