(v): behave in a certain manner; show a certain behavior; conduct or comport oneself
(v): furnish with a ramp
(v): give something useful or necessary to
(v): be rampant
(v): assume a posture as for artistic purposes
(v): creep up -- used especially of plants
(v): go upward with gradual or continuous progress
(v): stand with arms or forelegs raised, as if menacing
(v): be standing; be upright
(n): an inclined surface connecting two levels
(n): a simple machine for elevating objects; consists of plane surface that makes an acute angle with the horizontal
(n): North American perennial having a slender bulb and whitish flowers
(n): bulbous plants having a characteristic pungent onion odor
(n): a movable staircase that passengers use to board or leave an aircraft
(n): a way of access (upward and downward) consisting of a set of steps
I suppose WordNet 1 is getting at the verb from which rampage is derived but I've never heard it.