na-adjective, noun
open; open-minded; broad-minded
Rare literary word describing a person's character or a landscape as open, spacious, and free from narrowness. Modern Japanese more often uses 開放的 or おおらか for similar meanings.
彼は開豁な性格で、誰とでもすぐに打ち解ける。
He has an open-minded personality and quickly gets along with anyone.
開豁とした高原の景色が広がっていた。
An open, spacious highland landscape spread out before us.