All make nice synonyms

verb make nice

• soothe — to tranquilize or calm, as a person or the feelings; relieve, comfort, or refresh: soothing someone's anger; to soothe someone with a hot drink.
• calm — A calm person does not show or feel any worry, anger, or excitement.
• mitigate — to lessen in force or intensity, as wrath, grief, harshness, or pain; moderate.
• assuage — If you assuage an unpleasant feeling that someone has, you make them feel it less strongly.
• lessen — to become less.
• calm — A calm person does not show or feel any worry, anger, or excitement.
• alleviate — If you alleviate pain, suffering, or an unpleasant condition, you make it less intense or severe.
• pacify — to bring or restore to a state of peace or tranquillity; quiet; calm: to pacify an angry man.
• mollify — to soften in feeling or temper, as a person; pacify; appease.
• ease — freedom from labor, pain, or physical annoyance; tranquil rest; comfort: to enjoy one's ease.
• satisfy — to fulfill the desires, expectations, needs, or demands of (a person, the mind, etc.); give full contentment to: The hearty meal satisfied him.
• placate — to appease or pacify, especially by concessions or conciliatory gestures: to placate an outraged citizenry.
• appease — If you try to appease someone, you try to stop them from being angry by giving them what they want.
• quench — to slake, satisfy, or allay (thirst, desires, passion, etc.).
• soften — to make soft or softer.
• sate — to cause to sit; seat (often followed by down): Sit yourself down. He sat me near him.
• allay — If you allay someone's fears or doubts, you stop them feeling afraid or doubtful.
• temper — a particular state of mind or feelings.
• relieve — to ease or alleviate (pain, distress, anxiety, need, etc.).
• compose — The things that something is composed of are its parts or members. The separate things that compose something are the parts or members that form it.
• lighten — to become less severe, stringent, or harsh; ease up: Border inspections have lightened recently.
• quiet — making no noise or sound, especially no disturbing sound: quiet neighbors.
• square — a rectangle having all four sides of equal length.
• decrease — When something decreases or when you decrease it, it becomes less in quantity, size, or intensity.
• abate — If something bad or undesirable abates, it becomes much less strong or severe.
• moderate — kept or keeping within reasonable or proper limits; not extreme, excessive, or intense: a moderate price.
• tranquilize — calm sb with drugs
• fill — to make full; put as much as can be held into: to fill a jar with water.
• surfeit — excess; an excessive amount: a surfeit of speechmaking.
• palliate — to relieve or lessen without curing; mitigate; alleviate.
• conciliate — If you conciliate someone, you try to end a disagreement with them.
• propitiate — to make favorably inclined; appease; conciliate.
• still — remaining in place or at rest; motionless; stationary: to stand still.
• cool — Something that is cool has a temperature which is low but not very low.
• sweeten — to make sweet, as by adding sugar.
• lull — to put to sleep or rest by soothing means: to lull a child by singing.
• console — If you console someone who is unhappy about something, you try to make them feel more cheerful.
• help — to give or provide what is necessary to accomplish a task or satisfy a need; contribute strength or means to; render assistance to; cooperate effectively with; aid; assist: He planned to help me with my work. Let me help you with those packages.
• subdue — to conquer and bring into subjection: Rome subdued Gaul.
• dulcify — to make more agreeable; mollify; appease.
• stroke — a short oblique stroke (/) between two words indicating that whichever is appropriate may be chosen to complete the sense of the text in which they occur: The defendant and his/her attorney must appear in court.
• hush — to become or be silent or quiet: They hushed as the judge walked in.
• cheer — When people cheer, they shout loudly to show their approval or to encourage someone who is doing something such as taking part in a game.
• settle — to appoint, fix, or resolve definitely and conclusively; agree upon (as time, price, or conditions).
• becalm — to calm down
• unburden — to free from a burden.
• quieten — to become quiet (often followed by down).
• cool out — to relax and cool down
• play up to — a dramatic composition or piece; drama.
• take the edge off — If something takes the edge off a situation, usually an unpleasant one, it weakens its effect or intensity.