1. Capable of being ascended
   - ascendable, ascendible 
2. Capable of being surmounted
   - surmountable

See also: passable, scalable

• Rumex obtusifolius
• Rumex scutatus
• ruminant
• Ruminantia
• ruminate
• rumination
• ruminative
• ruminator
• rummage
• rummage sale
• rummer
• rummy
• Rumohra
• Rumohra adiantiformis
• rumor
• rumormonger
• rumour
• rumourmonger
• rump
• rump roast
• rump steak
• Rumpelstiltskin
• rumple
• rumpled
• rumply