"needing" 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. want, need, require
have need of
"This piano wants the attention of a competent tuner"
3. need
have or feel a need for
"always needing friends and money"
Source: WordNet® (An amazing lexical database of English)
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