Quiet

Quiet[expr] evaluates expr without outputting any messages generated.

Quiet[expr, {s1::t1, s2::t2, ...}] quietens only the specified messages.

Examples

Suppress all messages:

Quiet[1/0]
(* ComplexInfinity *)

Suppress specific messages:

Quiet[Log[-1], {Log::argx}]

Please visit the official Wolfram Language Reference for more details.