lionism
The 19th-century practice of bringing a lion (“an interesting person or object”) into one’s home as entertainment for visitors.
historical
To define what constitutes "a lion," would be about as easy a task as to describe the colours of a chamelion. The elements of lionism are of necessity evanescent, as they are various. Provided the thing be not common-place and familiar, there is scarcely a particular that will not constitute its owner a lion.
The state of being the lion (see above) of 19th-century hosts.
historical
In the whirl and giddiness of his lionism, he had contracted debts with the same recklessness as he had done every thing else. But his sense of honour was now galled when these debts were to be paid, and he found himself without money to pay them.
The practice of lionizing (“treating a person as a celebrity or someone important”); also, the state of being lionized.
So sudden; all common Lionism, which ruins innumerable men, was as nothing to this. […] [T]hese Lion-hunters were the ruin and death of [Robert] Burns. […] They gathered round him in his Farm; hindered his industry; no place was remote enough from them. He could not get his Lionism forgotten, honestly as he was disposed to do so.
The ideals of Rastafarianism.
The remainder of [Dennis] Forsythe’s paper and the subsequent book that followed elaborated on implementing the characteristics of ‘lionism’ and achieving Rasta’s true ideal: […]
Where it comes from
From lion (“big cat (Panthera leo); (figurative) famous person regarded with interest and curiosity; person who shows attributes associated with the lion such as courage, ferocity, or strength”) + -ism (suffix forming names of schools of thought, systems, or theories, or of tendencies of action, behaviour, condition, state, condition, or opinion belonging to a class or group of persons). Etymology 1 sense 1 (“19th-century practice of bringing an interesting person or object into one’s home as entertainment for visitors; state of being such a person or object”) refers to the lions previously on display at a menagerie in the Tower of London, which existed till the 19th century. Etymology 1 sense 4 refers to the Lion of Judah, a hereditary title of Haile Selassie I (1892–1975), the Emperor of Ethiopia, who is revered by some members of the Rastafari movement as the messiah;
Adapted from the Wiktionary entry lionism (CC BY-SA 4.0).