This is the 8386th most frequent Turkish word.
nişanlanabilir
"Capable of being engaged" or "able to get engaged."
Here, 'nişanlanabilir' is used to indicate the ability or possibility of getting engaged.
Ahmet kız arkadaşıyla nişanlanabilir.
Ahmet can get engaged to his girlfriend.
In this sentence, 'nişanlanabilir' conveys a generalization about the act of getting engaged and emphasizes volition.
Bir kişi isteyince nişanlanabilir.
A person can get engaged when they wish.
Here, 'nişanlanabilir' describes individuals who are eligible or have the capacity to get engaged.