Synonyms for Seizing:

adj.

retaining (adjective)
Having.

n.

seizing (noun)
grasping, taking hold, prehension.

v.

capturing (verb)
taking, Gaining, Collaring, Achieving, Securing, Occupying, Obtaining, winning, Apprehending, Capturing, Snaring, abducting, getting, arresting, Snatching, catching.
gripping (verb)
keeping, grappling, Having, retaining, Clutching, Clasping, gripping, holding, grasping, Adhering, embracing.

Other synonyms:

Other relevant words:
prehension, taking hold.

Usage examples for seizing

  1. When we got back to Soleure, Madame told me how pleased she was that I liked the house; and seizing the opportunity, I said that I hoped they would often do me the honour of dining with me. – The Memoires of Casanova, Complete The Rare Unabridged London Edition Of 1894, plus An Unpublished Chapter of History, By Arthur Symons by Jacques Casanova de Seingalt
  2. At that instant Asgeelo bounded forward also with one tremendous leap, and seizing Vijal by the throat hurled him to the floor. – Cord and Creese by James de Mille
  3. I was by your side, Squire, he went on, when her ladyship caught up the knife and ran at you, and, as you well know, it was I, seizing her from behind, that saved a double tragedy that night, and it was I who went for the doctor the next morning, when she'd stolen into your room in the night and missed your throat by a bare inch. – The Great Impersonation by E. Phillips Oppenheim