Answer:

love

AnswerCrossword Clue
LOVECherish deeply
LOVEHold dear
LOVEIt meant nothing to Nastase
LOVESinger Courtney
LOVEZero, in tennis
LOVECourtney or Davis
LOVEFirst word in countless song titles
LOVEZero, at Wimbledon
LOVEAdoration
LOVERom-com subject
LOVESomething to fall in or out of
LOVE".. is a grave mental disease" (Plato)
LOVEOne of three little words
LOVESummer ..
LOVEBe smitten by
LOVEZip for Capriati
LOVENovotna's nil
LOVETorch song topic
LOVEBeach Boy Mike
LOVETennis goose egg
LOVETreasure
LOVEDavis of golf
LOVERobert Indiana sculpture
LOVEPoetic topic for Ovid
LOVE"A game that two can play and both win": Eva Gabor
LOVETennis score
LOVEDeep affection
LOVENothing, in tennis
LOVEPassion
LOVESomething to fall in
LOVE"The lesson which the Lord us taught": Spenser
LOVEIntimate letter sign-off
LOVEValentine card sentiment
LOVEIt could be nothing
LOVE".. Makes the World Go 'Round"
LOVEEndearing closing
LOVEKind of beads or handles
LOVEObject of affection
LOVECherish
LOVE"Many-splendored thing" of song