| verb | try to prevent; show opposition to “We should discourage this practice among our youth” |
| verb | deprive of courage or hope; take away hope from; cause to feel discouraged |
| verb | admonish or counsel in terms of someone's behavior “I warned him not to go too far” |
| deterrent | adjective | tending to deter |
| deterrent | noun | something immaterial that interferes with or delays action or progress |
| deterrence | noun | the act or process of discouraging actions or preventing occurrences by instilling fear or doubt or anxiety |
| discouragement | noun | the act of discouraging |
| warning | noun | cautionary advice about something imminent (especially imminent danger or other unpleasantness) |
| admonitory | adjective | serving to warn |
| admonition | noun | cautionary advice about something imminent (especially imminent danger or other unpleasantness) |
| admonisher | noun | someone who gives a warning so that a mistake can be avoided |
| monition | noun | cautionary advice about something imminent (especially imminent danger or other unpleasantness) |