I can give you several sentences.
This example sentence should prove to be beneficial.
The syrup proved beneficial for her cough.
"The bright natural light was beneficial to the photographer, it improved the quality of his photographs."
The note cards were beneficial for the upcoming test Thursday.
A good nights sleep is more beneficial than burning the candle at both ends.
The vacation was very beneficiary to my dad's health
The word beneficial is an adjective. It means helpful to someone.
You just used the word acolytes in a sentence. Even saying, "can the word acolytes be used in a sentence", you are using that word in a sentence.
Martin Luther King Jr's impact on the world was benieficial.
Mutualism is the symbiotic interaction between different species that is mutually beneficial;
"Eating lots of fruits and vegetables are quite beneficial to your body." "Saving money is beneficial to your future wants and needs." "Eating right and exercising is beneficial for your good health." Hope these three examples help. :-)
The word "incidentally" can be used at the end of a sentence. You can make the sentence "This was done incidentally.".