A warning or caution: "A final caveat: Most experts feel that clients get unsatisfactory results when they don't specify clearly what they want"(Savvy).
A qualification or explanation.
Law A formal notice filed by an interested party with a court or officer, requesting the postponement of a proceeding until the filer is heard.
v.
ca·ve·at·ed or ca·ve·at·ted, ca·ve·at·ing or ca·ve·at·ting, ca·ve·ats
v.
intr.Law To enter a caveat. v.
tr.Informal To qualify with a warning or clarification: The spokesperson caveated the statement with a reminder that certain facts were still unknown.
[From Latin, let him beware, third person sing. present subjunctive of cavēre, to beware.]