bolster or strengthen
an inclined surface connecting two levels
furnish with a ramp
be rampant
creep up -- used especially of plants
behave violently, as if in state of a great anger
a movable staircase that passengers use to board or leave an aircraft
spatially or metaphorically from a lower to a higher position
being or moving higher in position or greater in some value; being above a former position or level
raise
