押す【おす】
to push, to press, to apply pressure from above, to press down, to stamp (i.e. a passport), to apply a seal, to affix (e.g. gold leaf), to press (someone for something), to urge, to compel, to influence, to overwhelm, to overpower, to repress, to push (events along), to advance (a plan), to do in spite of ..., to do even though ..., to force, to make sure, to be pressed for time, to advance troops, to attack, (of light) to be diffused across an entire surface
押さえる【おさえる】
to pin down, to hold down, to press down, to hold in place, to hold steady, to cover (esp. a part of one's body with one's hand), to clutch (a body part in pain), to press (a body part), to get a hold of, to obtain, to seize, to catch, to arrest, to grasp (a point), to comprehend, to quell, to subdue, to suppress, to repress, to hold back, to check, to curb, to contain
押収【おうしゅう】
seizure, confiscation
後押し【あとおし】
pushing, backing, boosting, supporting, pushing from behind (a cart, etc.), pusher
押し付ける【おしつける】
to press against, to push against, to force against, to foist on (task, responsibility), to impose (one's will)
押し問答【おしもんどう】
arguing back and forth, bandying words, verbal tug-of-war
押し売り【おしうり】
high-pressure selling, aggressive peddling, the hard sell, high-pressure salesman, forcing on someone (e.g. kindness)