efficacious -(of something inanimate or abstract) successful in producing a desired or intended result; effective

 efficacious

/ˌɛfɪˈkeɪʃəs/

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adjective

formal

adjective: efficacious

1. (of something inanimate or abstract) successful in producing a desired or intended result; effective.

   "this treatment was efficacious in some cases"

   h 

extrapolate - extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable.

 extrapolate

/ɪkˈstrapəleɪt,ɛkˈstrapəleɪt/

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verb

verb: extrapolate; 3rd person present: extrapolates; past tense: extrapolated; past participle: extrapolated; gerund or present participle: extrapolating

1. extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable.

   "the results cannot be extrapolated to other patient groups"

   • estimate or conclude (something) by extrapolating.

     "the figures were extrapolated from past trends"
   • Mathematics

     extend (a graph, curve, or range of values) by inferring unknown values from trends in the known data.

     "the low-temperature results can be extrapolated to room temperature"

extricate - free (someone or something) from a constraint or difficulty.

 extricate

/ˈɛkstrɪkeɪt/

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verb

verb: extricate; 3rd person present: extricates; past tense: extricated; past participle: extricated; gerund or present participle: extricating

1. free (someone or something) from a constraint or difficulty.

   "he was trying to extricate himself from official duties"

engender - cause or give rise to (a feeling, situation, or condition)

 engender

/ɪnˈdʒɛndə,ɛnˈdʒɛndə/

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verb

3rd person present: engenders

1. cause or give rise to (a feeling, situation, or condition).

   "the issue engendered continuing controversy"

Supplication - the action of asking or begging for something earnestly or humbly.

 supplication

/ˌsʌplɪˈkeɪʃn/

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noun

noun: supplication; plural noun: supplications

1. the action of asking or begging for something earnestly or humbly.

   "he fell to his knees in supplication"

doofus - a stupid person

doofus
/ˈduːfʌs/

nounINFORMAL•NORTH AMERICAN
a stupid person.
"a doofus who paid an inflated price for a tatty house"

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bleary - (of the eyes) looking or feeling dull and unfocused from sleep or tiredness.

(of the eyes) looking or feeling dull and unfocused from sleep or tiredness.

"Boris opened a bleary eye"

pervasiveness - the quality of spreading widely or being present throughout an area or a group of people.

pervasiveness - the quality of spreading widely or being present throughout an area or a group of people.
"the pervasiveness of violence on television"

propensity - an inclination or natural tendency to behave in a particular way.

propensity - an inclination or natural tendency to behave in a particular way.
"his propensity for violence"

pyrrhic - (of a victory) won at too great a cost to have been worthwhile for the victor.

pyrrhic

ˈpɪrɪk/

adjective

1. (of a victory) won at too great a cost to have been worthwhile for the victor.