Efficacious is a related term of intelligent.

As adjectives the difference between efficacious and intelligent

is that efficacious is effective; possessing efficacy while intelligent is of high or especially quick cognitive capacity, bright.

Thrill is a related term of beguile.

As verbs the difference between thrill and beguile

is that thrill is (ergative) to suddenly excite someone, or to give someone great pleasure; to (figuratively) electrify; to experience such a sensation while beguile is to deceive or delude (using guile).

As a noun thrill

is a trembling or quivering, especially one caused by emotion.

Reimbursement is a related term of satisfaction.

As nouns the difference between reimbursement and satisfaction

is that reimbursement is (business|management|accounting) the act of compensating someone for an expense while satisfaction is a fulfillment of a need or desire.

Impetuous is a related term of wanton.

As adjectives the difference between impetuous and wanton

is that impetuous is making arbitrary decisions, especially in an impulsive and forceful manner while wanton is (obsolete) undisciplined, unruly; not able to be controlled.

As a noun wanton is

a pampered or coddled person.

As a verb wanton is

to rove and ramble without restraint, rule, or limit; to revel; to play loosely; to frolic.

Undisputed is a related term of sheer.

As adjectives the difference between undisputed and sheer

is that undisputed is universally agreed upon; not disputed while sheer is (textiles) very thin or transparent.

As an adverb sheer is

(archaic) clean; quite; at once.

As a noun sheer is

(nautical) the curve of the main deck or gunwale from bow to stern.

As a verb sheer is

(chiefly|nautical) to swerve from a course.

Nonchalant is a related term of untroubled.

As adjectives the difference between nonchalant and untroubled

is that nonchalant is casually calm and relaxed while untroubled is of or pertaining to a lack of worries.

Treacherous is a related term of dishonourable.

As adjectives the difference between treacherous and dishonourable

is that treacherous is exhibiting treachery while dishonourable is .

Colossal is a related term of horrible.

As adjectives the difference between colossal and horrible

is that colossal is extremely large or on a great scale while horrible is causing horror; terrible; shocking.

As a noun horrible is

a thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act.

Compassionate is a related term of winning.

As adjectives the difference between compassionate and winning

is that compassionate is having, feeling or showing compassion; sympathetic while winning is that constitutes a win.

As verbs the difference between compassionate and winning

is that compassionate is (archaic) to feel compassion for; to pity, feel sorry for while winning is .

As a noun winning is

the act of obtaining something, as in a contest or by competition.

Gargantuan is a related term of imposing.

As adjectives the difference between gargantuan and imposing

is that gargantuan is (obsolete) of the giant gargantua or his appetite while imposing is magnificent and impressive because of appearance, size, stateliness or dignity.

As a verb imposing is

.