#1 bear on v. be relevant to; "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments". wn
#2 bear on v. have an effect upon; "Will the new rules affect me?". wn
#3 bear on v. press, drive, or impel (someone) to action or completion of an action; "He pushed her to finish her doctorate". wn
#4 bear on v. keep or maintain in unaltered condition; cause to remain or last; "preserve the peace in the family"; "continue the family tradition"; "Carry on the old traditions". wn
vizzz