WordNet sense 1 (the state of demanding notice or attention):

insistence, press, imperativeness, insistency

WordNet sense 2 (the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)):

force per unit area, pressure level

WordNet sense 3 (the somatic sensation that results from applying force to an area of skin):

pressure sensation

WordNet sense 4 (exert pressure on someone through threats):

blackjack, blackmail

WordNet sense 5 (to cause to do through pressure or necessity, by physical, moral or intellectual means :):

coerce, force, hale, squeeze

WordNet sense 6 (the act of pressing; the exertion of pressure):

pressing