Reality, Truth, Real, True
noun, な adjective
What is real is right. It is the reality. It is also the truth. Don't believe anything that isn't real and true.
ほんとう
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
それは本当ですか？
Is that true?
キャンペーンで百万円くれるって、本当かな？
I wonder if they will give you a million yen from this campaign?
本当に字が下手なのです。
I'm really bad at handwriting.