To become or make larger or more numerous; to grow in size, amount, intensity, or degree. It implies an expansion or augmentation of something existing, whether physical, numerical, or abstract.
The process can be gradual or rapid, permanent or temporary. Increase often suggests a positive progression or a desirable change, but it can also describe a negative escalation, such as an Increase in costs or problems.
The word is versatile, encompassing a wide range of contexts where quantity or magnitude is amplified.
UP
WAX ADD EKE AMP
HIKE GAIN RISE GOUP GROW BUMP ECHE
REVUP AMPUP ADDTO BOOST SWELL MOUNT PUTON RAISE RUNUP
ACCRUE STEPUP GROWTH EXPAND EKEOUT DEEPEN
AUGMENT ACCRUAL GREATEN UPSURGE ENHANCE AMPLIFY BUILDUP ENLARGE
ADDITION ESCALATE HEIGHTEN MAXIMIZE MULTIPLY
INCREMENT EXPANSION PROPAGATE
PROLIFERATION AMPLIFICATION