raffermir
[ʀafɛʀmiʀ]1.
verbe transitif
1) lit to tone [épiderme]; to tone up [musculature]
2) fig [personne] to strengthen [autorité, position]; to steady [marché]
2.
se raffermir verbe pronominal [tissus, peau] to become firmer; [voix] to become more assured; [cours boursier] to become steady; [sol] to harden