| feed(verb, keep, maintain, do, manage) |
| forestall |
| forward(verb, advance, feed, nurture, tend) |
| further(verb, advance, feed, nurture, tend) |
| guard(verb, keep, maintain, do, manage) |
| handle(verb, keep, maintain, do, manage) |
| harbor(verb, advance, feed, nurture, tend) |
| humor(verb, advance, feed, nurture, tend) |
| immunize(verb, advance, feed, nurture, tend) |
| indulge(verb, advance, feed, nurture, tend) |
| inoculate(verb, advance, feed, nurture, tend) |
| irradiate(verb, advance, feed, nurture, tend) |
| keep alive(verb, expression, advance, feed, nurture) |
| keep an eye on(verb, expression, idiom, phrasal verb, advance) |
| keep tabs on(verb, expression, idiom, phrasal verb, advance) |
| keep watch over(expression, idiom) |
| look for |
| look forward to(expression, idiom) |
| look out for(expression, idiom) |
| look to |