acer: vehemens: alacer (at a particular time): gravis: gravitatis plenus (full of power in thoughts and expressions, of a speech): fortis: audax (these two of both persons and things). To adopt energetic measures, fortioribus remediis agere (of remedial measures): strenue aliquid administrare (Cic.): an energetic speech, oratio gravitatis plena, or acris, or vehemens: energetic in action, in rebus gerendis acer, vehemens; or acer et industrius (Cic.): very energetic measures or counsels, consilia acerrima (opposed to consilia inertissima).