Appearance:
* Color: Brown, reddish-brown, golden, dark, light, pale, honey-colored, mahogany, ebony, walnut, cherry
* Texture: Smooth, rough, grainy, knotty, polished, weathered, aged, coarse, silky, satiny
* Shape: Plank, board, beam, log, branch, twig, splinter, chip, grain, swirl, knot, burl, bark, trunk
* Smell: Woody, earthy, pine, cedar, sandalwood, resinous, musty, sweet, fresh, burnt
Properties:
* Strength: Strong, sturdy, durable, resilient, robust, hard, soft, flexible, pliable
* Weight: Heavy, light, buoyant, dense
* Sound: Creaking, cracking, rustling, whispering
* Feel: Warm, cool, rough, smooth, soft, hard, prickly
Other:
* Natural: Organic, living, renewable, sustainable, biodegradable
* Man-made: Engineered, processed, manufactured, artificial
* Emotional: Warm, inviting, cozy, comforting, rustic, elegant, timeless, classic
More descriptive phrases:
* Richly-grained
* Knotty and weathered
* Deeply-hued
* Smooth and polished
* Aromatic and resinous
* Dark and mysterious
* Warm and inviting
* Strong and reliable
The best words to use will depend on the specific context and the type of wood you are describing.