Synonyms for Strengthen

Synonyms starting with letter S

• support

  reinforce, powerful, brace
• steel

  fortify, support, encourage
• stiffen

  fortify, ossify
• step up

  increase, powerful, deepen
• sustain

  powerful, support, activity
• shore up

  reinforce
• substantiate

  encourage, support, powerful
• secure

  cement
• stimulate

  reinvigorate, fortify
• stay

  support, activity
• swell
• shore
• supplement
• sharpen

  enhance, deepen
• stabilize

  cement
• steady
• sinew

  powerful
• snowball
• set up
• solidify

  harden, ossify, cement
• spread
• season
• spike
• sanction

  cement
• stretch
• set
• stir
• shoot up
• settle
• solace
• stress
• string
• scale up

  step up
• stabilise

  cement
• steadying
• serve
• soar
• 

  soothe
• stroke

  raise, back
• succor