1) Add decoration to 2) Adorn 3) Beautify 4) Bedight 5) Deck 6) Decorate 7) Embellish 8) Grace 9) Ornament 10) To deck out 11) To deck, ornament, or adorn 12) To grace 13) Trim Found on https://www.crosswordclues.com/clue/bedeck
Be·deck' transitive verb [ imperfect & past participle Bedecked ; present participle & verbal noun Bedecking .] To deck, ornament, or adorn; to grace. « Bedecked with boughs, flowers, and garlands. Pennant. » ... Found on http://www.encyclo.co.uk/webster/B/28