Answer:

swears

Answer	Crossword Clue
SWEARS	Speaks indelicately
SWEARS	Makes an oath?
SWEARS	Promises

SWEARS	Takes an oath
SWEARS	Speaks with one's hand up, perhaps
SWEARS	Uses indelicate language
SWEARS	Vows
SWEARS	Blasphemes
SWEARS	Utters an oath
SWEARS	States under oath
SWEARS	Promises on oath.

SWEARS	Pledges solemnly.
SWEARS	Pledges sacredly.
SWEARS	... off (renounces).
SWEARS	Pledges.
SWEARS	Asserts emphatically.
SWEARS	Says "I do."
SWEARS	Vows.
SWEARS	... by (believes in)

SWEARS	Breaks a Commandment
SWEARS	Deposes
SWEARS	Asseverates
SWEARS	Says on a stack of Bibles
SWEARS	Has no doubt whatever
SWEARS	Says with a raised hand
SWEARS	Attests
SWEARS	Gives one's word

SWEARS	Curses
SWEARS	Avows
SWEARS	Prepares to testify
SWEARS	... on a stack of Bibles (promises)
SWEARS	Reacts to a hammered thumb