from now on; from this point on; from now

reconsideration / reflection, introspection, meditation, contemplation

regret, reflect on one's actions, contemplate, search one's conscience

a promise / an appointment or social engagement (the meeting itself) / a convention; something that is conventional / something that is preordained

to promise; to make a promise / make an appointment or engagement / be predestined, wait

action; behavior

to act

self restraint / moderating one's behaviour / penitence / discipline

prudent; disciplined

to behave; to be on one's best behavior / to have self restraint / to be penitent