stimulus

1. An agent, action, or condition that elicits or accelerates a physiological or psychological activity or response.

2. Something causing or regarded as causing a response.

3. Something that incites or rouses to action; an incentive: "Works which were in themselves poor have often proved a stimulus to the imagination” ( W.H. Auden).

4. something that rouses or incites to activity as.

5. An agent (as an environmental change) that directly influences the activity of a living organism or one of its parts (as by exciting a sensory organ or evoking muscular contraction or glandular secretion) .

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Top Words by points	Points	Word Game
stimulus	10	Scrabble

2 Letters	Scrabble® Points
it	2
mu	4
mi	4
um	4
us	2
ut	2
ti	2
si	2
li	2
is	2

3 Letters	Scrabble® Points
sim	5
sis	3
sit	3
til	3
tis	3
sum	5
sus	3
tui	3
tum	5
mus	5
mut	5
mil	5
ism	5
ulu	3
ums	5
uts	3
its	3
mis	5
lis	3
lum	5
lit	3

4 Letters	Scrabble® Points
suit	4
slut	4
smit	6
smut	6
stum	6
stim	6
ulus	4
sulu	4
sumi	6
sums	6
tums	6
tuis	4
tils	4
slim	6
lums	6
muss	6
must	6
mist	6
miss	6
milt	6
mils	6
lust	4
litu	4
lits	4
muts	6
list	4
isms	6
slum	6
silt	4
sims	6
sits	4
slit	4

5 Letters	Scrabble® Points
stims	7
lists	5
lusts	5
tulsi	5
lusus	5
sluts	5
musts	7
mists	7
milts	7
silts	5
situs	5
slims	7
slits	5
slums	7
smuts	7
stums	7
suits	5
sulus	5
sumis	7

6 Letters	Scrabble® Points
tumuli	8
tulsis	6
litmus	8

8 Letters	Scrabble® Points
stimulus	10