abruptness

hill ramp shelf

bank bend bevel bias cant declination declivity deflection descent deviation diagonal downgrade gradient inclination incline lean leaning obliqueness obliquity pitch rise skew steepness swag sway tip

rising ground

upgrade

evenness level

amazement astonishment awe bewilderment consternation curiosity disappointment jolt miracle revelation shock wonder

attack bombshell disillusion epiphany eureka fortune godsend incredulity kick marvel miscalculation phenomenon portent precipitance precipitation precipitousness prodigy rarity start stupefaction suddenness thunderbolt whammy wonderment

astoundment curveball eye-opener unexpected unforeseen

calmness composure coolness expectation happiness indifference