cult
noun
[ kʌlt ]
• a system of religious veneration and devotion directed towards a particular figure or object.
• "the cult of St Olaf"
• a person or thing that is popular or fashionable among a particular group or section of society.
• "the series has become a bit of a cult in the UK"
Origin:
early 17th century (originally denoting homage paid to a divinity): from French culte or Latin cultus ‘worship’, from cult- ‘inhabited, cultivated, worshipped’, from the verb colere .