| strengthen(verb, support, powerful, fortify, brace) |
| intensify(verb, powerful, fortify, brace, reinforce) |
| powerful(verb, fortify, brace, reinforce, toughen) |
| add(verb, powerful, fortify, brace, reinforce) |
| add fuel to fire(verb, expression, idiom, powerful, fortify) |
| anneal(verb, powerful, fortify, brace, reinforce) |
| ascend(verb, powerful, fortify, brace, reinforce) |
| bolster(verb, powerful, fortify, brace, reinforce) |
| brace(verb, support, powerful, strengthen, fortify) |
| build up(verb, expression, support, powerful, strengthen) |
| bulwark(verb, support, strengthen, reinforce) |
| buttress(verb, support, powerful, strengthen, fortify) |
| cement |
| charge up(verb, expression, support, strengthen, reinforce) |
| confirm(verb, powerful, fortify, brace, reinforce) |
| consolidate(verb, support, strengthen, reinforce) |
| corroborate(verb, powerful, fortify, brace, reinforce) |
| embattle(verb, support, strengthen, reinforce) |
| empower(verb, powerful, fortify, brace, reinforce) |
| enhance(verb, powerful, fortify, brace, reinforce) |