Select the most appropriate one-word substitution for the given group of words.

The writing or a speech done in praise of someone 

Eulogy

The most appropriate one-word substitution for "the writing or a speech done in praise of someone" is eulogy.

• Eulogy is a speech or writing in praise of someone who has died.
• Ode is a poem in praise of someone or something.
• Tribute is a gift or act of respect or admiration.
• Epilogue is a concluding section of a literary work.