To have an effect on someone
Feeling.
The term you are referring to is "connotation." Connotation is the emotional or cultural meaning attached to a word, beyond its literal definition, shaping how it is perceived or interpreted. It can influence the tone, mood, or implications of language usage.
The word that means powerful influence is "sway".
Another word meaning "to influence" is "affect" or "impact."
Undisirable effect
Freedment is not a word, so there is no definition.
shaky
Parliament
Ocean
The best definition for the word undercurrent describes a move. Undercurrent is the tendency for a variance or underlying action that creates a change.
To influence or manage shrewdly or deviously, or to move, operate, or control by the hands
disorderly. apex(:
salt-former ;)
salty or sea water
Enumerating.
Vegetation.
causes cancer