(mumbling) incomprehensibly; while mumbling; mutteringly; murmuringly
with profound (often hidden) meaning; pregnant with significance; meaningful; suggestive; interesting
fixed date; appointed date; set date; deadline; due date
unusual; unconventional; mold-breaking; outside the box
present continuous tense; present progressive form; ongoing; (currently) active; currently in progress
repayment; reimbursement; refund; redemption
to laugh; to smile; to sneer; to ridicule; to be dumbfounded; to be flabbergasted
all's grist that comes to his mill; turn everything to good account; turn anything to profit
light and shade; shade (of colour, color); depth (of flavor); complexity; strength and weakness (of flavor)
to give one's heart to; to fall in love; to turn one's mind towards; to think of
of unknown authorship; anonymous (work)
extensive knowledge; erudition; learned; erudite; well-informed
to become calm (of the wind, sea, etc.); to die down
brittle; fragile; weak; tender-hearted; sentimental; easily moved
empirically; from experience
proxy; agent; substitute; deputy; alternate; representative
lingering (usu. feeling, emotion, etc.); continuing (to); still (...)
magical powers; supernatural powers; spell; charm
to let go by; to let pass; to overlook; to miss
to aspire to; to aim for; (arch.) to give a gift (as a token of gratitude, goodwill, etc.); (arch.) to perform a memorial service
eternity; perpetuity; permanence
without authority; without reason; unnecessarily; recklessly; indiscriminately
classification; categorization; sorting
very great; enormous; serious
(for a conversation) to wander from the subject; to get off track
on the way; as one goes; in the future; someday; eventually
system; organization; organisation; architecture
establishment; settlement
prior engagement; previous appointment; prior agreement; previous promise; previous contract
uncalled-for remark; impertinent remark
being somewhat excited (agitated)
appearance; expression; manifestation
interesting (personality, turn of phrase, etc.); pleasantly different; tasteful; attractive; charming