Diction Analysis in Prose

Read the following excerpt from a piece of prose:

"The bustling café teemed with life as laughter and the clinking of cups permeated the air. Each table was a tableau of animated conversation, where strangers became friends over steaming mugs of coffee and decadent pastries. The scent of freshly brewed espresso enveloped the space, inviting all who entered to pause and savor the moment. In the corner, a musician strummed a soft melody, adding a layer of warmth to an already vibrant atmosphere."

In this excerpt, which word best reflects the author's use of diction to create a lively and inviting mood?