i Register
In some senses, affect is marked as archaic, obsolete, rare. Watch for register when choosing this word.
ADV
greatly, materially, radically, significantly, very much
barely, hardly, not unduly
The bad weather barely affected our outdoor plans since we rescheduled them easily.
slightly | clearly | directly | indirectly | adversely, badly, seriously, severely
VERB + AFFECT
be likely to
Climate change is likely to affect weather patterns around the world.
ADV
deeply, profoundly
The economic crisis profoundly affected how families managed their monthly budgets.