tone up

verb 0.697

fortify

verb 0.651

tone

verb 0.646

refortify

verb 0.637

strengthen

verb 0.603

firm up

verb 0.564

invigorate

verb 0.556

potentiate

verb 0.542

fatten up

verb 0.536

nourish

verb 0.534

enhance

verb 0.531

attune

verb 0.531

beef up

verb 0.527

tighten up

verb 0.526

bolster

verb 0.524

intensify

verb 0.520

heighten

verb 0.519

intone

verb 0.518

densify

verb 0.515

bulk up

verb 0.515

reinvigorate

verb 0.512

vitalise

verb 0.512

top up

verb 0.511

tighten

verb 0.510

toughen

verb 0.509

fatten

verb 0.509

booster

verb 0.507

esterify

verb 0.507

vivify

verb 0.505

plump up

verb 0.504

tonk

verb 0.504

energize

verb 0.504

power up

verb 0.502