STEP Hebrew Lexicon: שָׁבַע

1) to swear, adjure

1a) (Qal) sworn (participle)

1b) (Niphal)

1b1) to swear, take an oath

1b2) to swear (of Jehovah by Himself)

1b3) to curse

1c) (Hiphil)

1c1) to cause to take an oath

1c2) to adjure