"requiring" in the verb sense
1. necessitate, ask, postulate, need, require, take, involve, call for, demand
require as useful, just, or proper
"It takes nerve to do what she did"
"success usually requires hard work"
"This job asks a lot of patience and skill"
"This position demands a lot of personal sacrifice"
"This dinner calls for a spectacular dessert"
"This intervention does not postulate a patient's consent"
2. ask, require, expect
consider obligatory request and expect
"We require our secretary to be on time"
"Aren't we asking too much of these children?"
"I expect my students to arrive in time for their lessons"
3. command, require
make someone do something
4. want, need, require
have need of
"This piano wants the attention of a competent tuner"
Source: WordNet® (An amazing lexical database of English)
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