swear

use bad language in a loud voice

make a serious promise in a formal and dignified way

insist that something is true

formally take up a new public position by making an official promise

be present when someone uses bad language

force someone to make a serious promise

be willing to make a serious promise, often in a legal context

use bad language directed at someone

make a promise, resting its validity on something important (e.g., a holy book, someone's life)

make a promise using the name of something or someone you respect

make a promise to a person