Don
Definition 1 of 4
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Action Oriented
Use 'don' when specifically talking about the action of dressing in something. The knight donned his armor.
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Special Occasions
Often used for special clothing like uniforms or costumes, not everyday attire. She donned her graduation robe.
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Ceremonial Tone
Has a formal, sometimes ceremonial connotation, not used for casual wear. He donned the ceremonial cloak.