Final answer:
The first Romanticized retelling of Arthur's court written by Alfred Lord Tennyson is his poem "The Lady of Shalott," published in 1832.
Step-by-step explanation:
The first Romanticized retelling of Arthur's court written by Alfred Lord Tennyson is his poem "The Lady of Shalott," published in 1832. This poem is one of Tennyson's most famous works and showcases his early writing inspired by the Romantic tradition. Although "The Lady of Shalott" doesn't appear in the legend of King Arthur, it incorporates characters such as Sir Lancelot and Camelot from the Arthurian legend.