relation; relationship; participation; involvement; influence; effect
extramarital sex; affair; fooling around; infidelity; wantonness; unfaithfulness
effort; exertion; endeavour; endeavor; hard work; striving
mistake; error; fault; slip; blunder; omission
to be enraged; to flip out
to board; to embark on; to get into (a car); to march into; to enter
double slap in the face (second slap administered by the return motion of the back of the hand)
had better ...; had better not ...
unsatisfied; unsatisfactory; insufficient
letter; missive; note; mail
or something; for instance ... (though there are other suitable options); ... or ...; as soon as; right after; while still
to invite; to ask (someone to do); to tempt; to lure; to induce (tears, laughter, sleepiness, etc.); to arouse (e.g. sympathy)
on good terms with; on cordial terms with; getting along well with; to make friends with; to be good friends with; to get along with
to soothe; to calm; to pacify
interesting; fascinating; amusing; funny; enjoyable; fun
to be sad; to mourn for; to regret
that kind of; of the sort; of the kind; such
emotion; feeling; feelings; sentiment
surface; face (i.e. the visible side of an object); front (of a building, etc.); obverse side (i.e. "head") of a coin; outside; exterior; appearance
to be taught; to learn; to take lessons in
social; societal; societary
now that you say that; now that you mention it
very; greatly; immense; enormous; serious; grave
environment; circumstance
even if; (it doesn't matter) whether (A or B or ...); whatever; should
human kindness; human weakness
to get angry; to take offense; to take offence; to be furious
to be delighted; to be glad; to congratulate; to gratefully accept
(a) little; somewhat; somehow
to understand; to be convinced; to be satisfied
such ... as; or some such
calm; quiet; gentle; moderate; reasonable; amicable
to return (something); to restore; to turn over; to turn upside down; to pay back; to retaliate; to respond (with)
reserve; constraint; declining; refraining; forethought; foresight
selfish; egoist; (arch.) self-indulgent; (arch.) wilful; (arch.) willful
to grant (request, wish); to answer (prayer); to fulfill (conditions); to meet (requirements)
to pay no attention to (while listening); to take no notice of; to ignore; to let go in one ear and out the other
lonely; lonesome; solitary; desolate
for a moment; for a minute; for a while; for some time; for the time being; for now
to come out; to fall out; to fade; to discolour; to wear a hole (e.g. clothes); to leave (e.g. a meeting); to be clear
wind; breeze; manner; behaviour; cold; influenza